Chemical surface dehydration apparatus and process

Abstract

The application discloses a chemical surface dehydration device and process, and belongs to the technical field of dehydration equipment. The device comprises a feeding assembly, a boiling bed, a cyclone dust collector, a screening device, a crushing device, a packing device, a washing tower and a heater. The discharge end of the feeding assembly is connected with the feeding port of the boiling bed. The gas outlet of the boiling bed is connected with the cyclone dust collector through a pipeline. The discharge end of the boiling bed is connected with the screening device. The gas inlet of the boiling bed is connected with the gas outlet of the heater through a pipeline. The coarse particles screened by the screening device enter the crushing device, and the fine particles screened by the screening device enter the packing device. The gas outlet of the cyclone dust collector is connected with the washing tower. The application can be better applied to larger particles and smaller particles.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dehydration equipment, in particular to a chemical surface dehydration device and process. BACKGROUND

[0002] Chemical products, such as nickel sulfate hexahydrate, need to be dehydrated and dried on the surface after production. The dehydration and drying process generally includes product feeding, hot air blowing, vibration plate to shake and disperse the material, and material unloading after drying.

[0003] However, since the material dispersion plate of the dehydration and drying device generally has a single size hole, it is difficult to be better applicable to both larger particles and smaller particles.

[0004] Therefore, the present application designs a chemical surface dehydration device and process to solve the above problems. SUMMARY

[0005] In view of the above shortcomings of the prior art, the present application provides a chemical surface dehydration device and process.

[0006] To achieve the above purpose, the present application realizes the following technical scheme:

[0007] A chemical surface dehydration device, comprising a feeding assembly, a boiling bed, a cyclone dust collector, a screening device, a crushing device, a packaging device, a washing tower and a heater;

[0008] The discharge end of the feeding assembly is connected with the feeding port of the boiling bed, the gas outlet of the boiling bed is connected with the cyclone dust collector through a pipeline, the discharge end of the boiling bed is connected with the screening device, and the gas inlet of the boiling bed is connected with the gas outlet of the heater through a pipeline; the coarse particles screened by the screening device enter the crushing device, and the fine particles screened by the screening device enter the packaging device; the gas outlet of the cyclone dust collector is connected with the washing tower.

[0009] Further, the gas inlet of the heater is connected with the primary filter through a fan two, the steam inlet of the heater is connected with an external medium-pressure saturated steam storage tank, and the liquid outlet of the heater is connected with a condensate water collecting tank.

[0010] Further, it further includes a flushing pipe, the water inlet of the flushing pipe is connected with an external tap water storage tank, and the other end of the flushing pipe is connected with the flushing interface of the boiling bed and the flushing interface of the feeding assembly.

[0011] Further, the gas outlet of the cyclone dust collector is connected with the washing tower through a fan one, the washing tower is connected with a washing water tank and a washing wastewater tank outside, and the discharge end of the cyclone dust collector enters the packaging device through a pipeline.

[0012] Furthermore, the air outlet of the second blower is connected to the air inlet on the side of the fluidized bed near the discharge port via a pipe.

[0013] Furthermore, the fluidized bed includes a bottom cover;

[0014] The upper end of the bottom cover is fixedly connected to the middle cover, and the upper end of the middle cover is fixedly connected to the top cover.

[0015] A feeding channel for feeding is fixedly connected to the side wall of the intermediate cover, and the feeding channel is connected to the discharge end of the feeding assembly.

[0016] An exhaust pipe for air discharge is fixedly connected to the top of the hood, and the exhaust pipe is connected to the cyclone dust collector.

[0017] The intermediate cover is equipped with an adjustable conveying assembly for switching the aperture according to the particle size of the chemical product; a discharge cover for discharging material is fixedly installed at the right end of the intermediate cover.

[0018] The adjustable conveying assembly includes a transverse drive assembly, a synchronous rotation drive assembly, and several sets of rotating adjustment components that are in contact with each other. The transverse drive assembly is installed on the side wall of the intermediate cover. The output end of the transverse drive assembly is connected to the synchronous rotation drive assembly, and the synchronous rotation drive assembly is connected to several sets of rotating adjustment components. Large air holes and small air holes are equally spaced at the upper and lower ends of the rotating adjustment components.

[0019] The transverse drive assembly includes a horizontal plate, a cylinder, a connecting straight plate, a slide rail, and a slider. The cylinder is fixedly installed on the outer wall of the intermediate cover. The output end of the cylinder is fixedly connected to the connecting straight plate. The top of the connecting straight plate is fixedly connected to the horizontal plate. The end of the connecting straight plate near the intermediate cover is fixedly connected to the slider. The slider is slidably connected to the slide rail, which is fixedly installed on the outer wall of the intermediate cover. The horizontal plate is connected to the synchronous rotation drive assembly.

[0020] Furthermore, the synchronous rotation drive assembly includes a gear ring A, a gear ring B, and a horizontal shaft; several sets of gear rings B are fixedly connected to the horizontal plate, and several sets of horizontal shafts are rotatably installed at both ends of the intermediate cover. Gear rings A are fixedly connected to the horizontal shafts at the front end, and gear rings A and gear rings B located above them are respectively meshed and connected.

[0021] Furthermore, rotating adjustment components are fixedly connected between the horizontal axes at the same positions at the front and rear.

[0022] The rotating adjustment component includes a horizontally arranged rotating plate; adjacent rotating plates are connected in contact, and the inner ends of the horizontal shafts at the same positions at the front and rear are fixedly connected to the front and rear ends of the rotating plates respectively; the front and rear ends of the rotating plates are respectively in contact with the inner wall of the intermediate cover; large air holes and small air holes are equally spaced at corresponding positions at the upper and lower ends of the rotating plates; each group of large air holes and small air holes corresponds to each other and is connected.

[0023] Further, the inner wall of the intermediate cover is fixedly connected with a horizontal support plate, and an arc-shaped straight hole embedded with the end of the rotating plate is formed in one end of the horizontal support plate close to the end of the rotating plate.

[0024] A chemical surface dehydration process using the chemical surface dehydration device, comprising the following steps:

[0025] I. The chemicals are transported to the fluidized bed through the feeding assembly for drying;

[0026] II. The normal temperature air is filtered through the primary filter, then transported to the heater through the fan 2, and the air is exchanged with the medium pressure saturated steam through the heater, and the hot gas is transported to the fluidized bed, and the condensed water is transported to the condensed water collection tank;

[0027] III. The exhaust pipe of the fluidized bed transmits the gas to the cyclone dust collector, the gas outlet end of the cyclone dust collector transmits the gas to the washing tower through the fan 1 for washing, the washing waste water enters the washing waste water tank, and the discharge end of the cyclone dust collector transmits to the packaging device;

[0028] IV. The discharge cover of the fluidized bed transmits the material to the screening device for screening; the coarse particles screened by the screening device enter the crushing device, the fine particles screened by the screening device enter the packaging device, and the material crushed by the crushing device is transmitted to the packaging device;

[0029] V. The dried material is packaged through the packaging device.

[0030] Beneficial effects

[0031] When the product is a large particle, the horizontal driving assembly is started to drive the synchronous rotating driving assembly to move, the synchronous rotating driving assembly synchronously drives a plurality of groups of rotating adjusting members to synchronously rotate by one hundred and eighty degrees, so that the large air holes at the lower end of the rotating adjusting members are rotated to be upward; when the product is a small particle, the horizontal driving assembly is started to drive the synchronous rotating driving assembly to move, the synchronous rotating driving assembly synchronously drives a plurality of groups of rotating adjusting members to synchronously rotate by one hundred and eighty degrees, so that the small air holes at the lower end of the rotating adjusting members are rotated to be upward; the present application can be better applied to larger particles and smaller particles. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0033] Figure 1A structural schematic diagram of a chemical surface dehydration device according to the present application;

[0034] Figure 2 A front view of a boiling bed in a chemical surface dehydration device according to the present application;

[0035] Figure 3 A sectional view of an adjustable conveying assembly in a chemical surface dehydration device according to the present application;

[0036] Figure 4 A partial structural schematic diagram of an adjustable conveying assembly in a chemical surface dehydration device according to the present application Figure 1

[0037] Figure 5 A partial structural schematic diagram of an adjustable conveying assembly in a chemical surface dehydration device according to the present application Figure 2 .

[0038] The reference numerals in the figures represent respectively:

[0039] 1. bottom cover 2. middle cover 3. feeding channel 4. adjustable conveying assembly 41. gear ring A 42. horizontal plate 43. gear ring B 44. horizontal shaft 45. air cylinder 46. slide rail 47. large air hole 48. rotating plate 49. connecting straight plate 410. slide block 411. horizontal support plate 412. straight hole 413. small air hole 5. exhaust pipe 6. top cover 7. discharging cover 9. feeding assembly 10. boiling bed 11. cyclone 12. screening device 13. crushing device 14. packing device 15. fan one 16. washing tower 17. primary filter 18. fan two 19. heater DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0041] The present application will be further described below with reference to the embodiments.

[0042] Embodiment 1

[0043] Please refer to the drawings in the description Figures 1-5 A chemical surface dehydration device, comprising a feeding assembly 9, a boiling bed 10, a cyclone 11, a screening device 12, a crushing device 13, a packing device 14, a fan one 15, a washing tower 16, a primary filter 17, a fan two 18 and a heater 19;

[0044] The outfeed end of the feeding assembly 9 is connected with the feed port of the fluidized bed 10, the gas outlet end of the fluidized bed 10 is connected with the cyclone dust collector 11 through a pipeline, the outfeed end of the fluidized bed 10 is connected with the screening device 12, and the gas inlet end of the fluidized bed 10 is connected with the gas outlet end of the heater 19 through a pipeline; the coarse particles screened by the screening device 12 enter the crushing device 13, and the fine particles screened by the screening device 12 enter the packaging device 14;

[0045] The gas inlet end of the heater 19 is connected with the primary filter 17 through the fan 2, and the steam inlet end of the heater 19 is connected with an external medium-pressure saturated steam storage tank; the liquid outlet end of the heater 19 is connected with a condensate water collecting tank;

[0046] Preferably, a flushing pipe is further included, the water inlet end of the flushing pipe is connected with an external tap water storage tank, and the other end of the flushing pipe is connected with the flushing interface of the fluidized bed 10 and the flushing interface of the feeding assembly 9;

[0047] The gas outlet end of the cyclone dust collector 11 is connected with the washing tower 16 through the fan 1, and the washing tower 16 is connected with an external washing water tank and a washing wastewater tank; the outfeed end of the cyclone dust collector 11 enters the packaging device 14 through a pipeline;

[0048] Preferably, the gas outlet end of the fan 2 is connected with the gas inlet end of the fluidized bed 10 close to the outfeed port through a pipeline.

[0049] Embodiment 2

[0050] Please refer to the drawings in the description Figures 1-5 The fluidized bed 10 includes a bottom cover 1;

[0051] The upper end of the bottom cover 1 is fixedly connected with an intermediate cover 2, and the upper end of the intermediate cover 2 is fixedly connected with a top cover 6;

[0052] The sidewall of the intermediate cover 2 is fixedly connected with a feeding channel 3 for feeding, and the feeding channel 3 is connected with the outfeed end of the feeding assembly 9;

[0053] The intermediate cover 2 is provided with an air inlet hole for the hot gas of the heater 19 to enter;

[0054] The top of the top cover 6 is fixedly connected with an exhaust pipe 5 for gas outlet, and the exhaust pipe 5 is connected with the cyclone dust collector 11;

[0055] The intermediate cover 2 is installed with an adjustable conveying assembly 4 for switching the hole diameter according to the particle size of the chemical product; and the right end of the intermediate cover 2 is fixedly installed with an outfeed cover 7 for outfeed;

[0056] The adjustable conveying assembly 4 comprises a transverse driving assembly, a synchronous rotation driving assembly, and a plurality of groups of rotation adjusting pieces in contact with each other, the transverse driving assembly is installed on the side wall of the middle cover 2, the output end of the transverse driving assembly is connected with the synchronous rotation driving assembly, and the synchronous rotation driving assembly is connected with the plurality of groups of rotation adjusting pieces; and the upper and lower ends of the rotation adjusting piece are respectively provided with the large air holes 47 and the small air holes 413 at corresponding positions in equal intervals;

[0057] Preferably, the transverse driving assembly comprises a horizontal plate 42, an air cylinder 45, a connecting straight plate 49, a sliding rail 46, and a sliding block 410; the air cylinder 45 is fixedly installed on the outer wall of the middle cover 2, the output end of the air cylinder 45 is fixedly connected with the connecting straight plate 49, the top of the connecting straight plate 49 is fixedly connected with the horizontal plate 42, one end of the connecting straight plate 49 close to the middle cover 2 is fixedly connected with the sliding block 410, the sliding block 410 is slidingly connected with the sliding rail 46, and the sliding rail 46 is fixedly installed on the outer wall of the middle cover 2; and the horizontal plate 42 is connected with the synchronous rotation driving assembly;

[0058] The air cylinder 45 drives the connecting straight plate 49 to move horizontally under the limiting action of the sliding block 410 and the sliding rail 46, the connecting straight plate 49 drives the horizontal plate 42 to move horizontally, and the horizontal plate 42 drives the synchronous rotation driving assembly to move;

[0059] Preferably, the synchronous rotation driving assembly comprises a gear ring A 41, a gear ring B 43, and a horizontal shaft 44; a plurality of groups of the gear ring B 43 are fixedly connected with the horizontal plate 42, a plurality of groups of the horizontal shaft 44 are rotatably installed at the front end and the rear end of the middle cover 2, and the gear ring A 41 is fixedly connected with the horizontal shaft 44 at the front end, and the gear ring A 41 is in meshing connection with the gear ring B 43 above it.

[0060] The number of the gear ring B 43 is the same as that of the gear ring A 41, and the positions of the gear ring B 43 correspond to those of the gear ring A 41 one by one.

[0061] The rotation adjusting pieces are fixedly connected between the horizontal shafts 44 at the same positions at the front end and the rear end.

[0062] When it is necessary to adjust the contact hole diameter of the rotation adjusting piece, the air cylinder 45 is started to drive the horizontal plate 42 to move, the horizontal plate 42 drives a plurality of groups of the gear ring B 43 to move synchronously, the gear ring B 43 drives a plurality of groups of the gear ring A 41 to rotate synchronously, the gear ring A 41 drives a plurality of groups of the horizontal shaft 44 to rotate synchronously, and the horizontal shaft 44 drives the rotation adjusting piece to overturn by one hundred and eighty degrees, so as to switch the large air holes 47 and the small air holes 413.

[0063] Preferably, the rotating adjusting member comprises horizontally arranged rotating plates 48; the adjacent rotating plates 48 are in contact connection; the inner ends of the horizontal shafts 44 at the same positions from front to back are fixedly connected with the front and back ends of the rotating plates 48 respectively; the front and back ends of the rotating plates 48 are in contact connection with the inner wall of the middle cover 2 respectively; the upper and lower ends of the rotating plates 48 are provided with atmospheric holes 47 and small air holes 413 respectively at corresponding positions and at equal intervals; each group of the atmospheric holes 47 and the small air holes 413 are in one-to-one correspondence and communication;

[0064] Preferably, the inner wall of the middle cover 2 is fixedly connected with a horizontal supporting plate 411, and the horizontal supporting plate 411 is provided with an arc-shaped straight hole 412 at one end close to the rotating plate 48 for embedding the end of the rotating plate 48;

[0065] The arc-shaped straight hole 412 is beneficial to supporting the rotating plate 48 and does not affect the rotation of the rotating plate 48;

[0066] When the product is a large particle, the atmospheric holes 47 are rotated to face upward; when the product is a small particle, the small air holes 413 are rotated to face upward.

[0067] Embodiment 3

[0068] Based on the embodiment 2, please refer to the drawings in the specification Figures 1-5 A chemical product surface dehydration drying process adopts a chemical product surface dehydration device, and comprises the following steps:

[0069] I. The chemicals are transported into the boiling bed 10 through the feeding assembly 9 for drying;

[0070] II. The normal-temperature air is filtered through the primary filter 17, transported to the heater 19 through the fan 2 18, heat-exchanged with the medium-pressure saturated steam through the heater 19, and the hot gas is transported to the boiling bed 10, and the condensed water is transported to the condensed water collecting tank;

[0071] III. The exhaust pipe 5 of the boiling bed 10 transmits the gas to the cyclone dust collector 11, the gas is transmitted to the washing tower 16 through the fan 1 15 for washing, the washing waste water enters the washing waste water tank, and the discharge end of the cyclone dust collector 11 is transmitted to the packaging device 14;

[0072] IV. The discharge cover 7 of the boiling bed 10 transmits the material to the screening device 12 for screening; the coarse particles screened by the screening device 12 enter the crushing device 13, the fine particles screened by the screening device 12 enter the packaging device 14, and the material crushed by the crushing device 13 is transmitted to the packaging device 14;

[0073] V. The dried material is packaged through the packaging device 14.

[0074] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A chemical surface dehydration device, characterized in that, It includes a feeding assembly (9), a fluidized bed (10), a cyclone dust collector (11), a screening device (12), a crushing device (13), a packaging device (14), a washing tower (16), and a heater (19). The discharge end of the feeding assembly (9) is connected to the feed inlet of the fluidized bed (10), the air outlet of the fluidized bed (10) is connected to the cyclone dust collector (11) through a pipe, the discharge end of the fluidized bed (10) is connected to the screening device (12), and the air inlet of the fluidized bed (10) is connected to the air outlet of the heater (19) through a pipe; the coarse particles screened by the screening device (12) enter the crushing device (13), and the fine particles screened by the screening device (12) enter the packaging device (14); the air outlet of the cyclone dust collector (11) is connected to the cleaning tower (16). The fluidized bed (10) includes a bottom cover (1); The upper end of the bottom cover (1) is fixedly connected to the middle cover (2), and the upper end of the middle cover (2) is fixedly connected to the top cover (6). A feeding channel (3) for feeding is fixedly connected to the side wall of the intermediate cover (2), and the feeding channel (3) is connected to the discharge end of the feeding assembly (9); The top of the cover (6) is fixedly connected to an exhaust pipe (5) for venting air, and the exhaust pipe (5) is connected to the cyclone dust collector (11). An adjustable conveying assembly (4) for switching the aperture according to the particle size of the chemical product is installed on the intermediate cover (2); a discharge cover (7) for discharging material is fixedly installed on the right end of the intermediate cover (2). The adjustable conveying assembly (4) includes a transverse drive assembly, a synchronous rotation drive assembly, and several sets of rotating adjustment components that are in contact with each other. The transverse drive assembly is installed on the side wall of the intermediate cover (2). The output end of the transverse drive assembly is connected to the synchronous rotation drive assembly, and the synchronous rotation drive assembly is connected to several sets of rotating adjustment components. Large air holes (47) and small air holes (413) are opened at equal intervals at the corresponding positions at the upper and lower ends of the rotating adjustment components. The transverse drive assembly includes a horizontal plate (42), a cylinder (45), a connecting straight plate (49), a slide rail (46), and a slider (410); the cylinder (45) is fixedly installed on the outer wall of the intermediate cover (2), the output end of the cylinder (45) is fixedly connected to the connecting straight plate (49), the top of the connecting straight plate (49) is fixedly connected to the horizontal plate (42), the end of the connecting straight plate (49) near the intermediate cover (2) is fixedly connected to the slider (410), the slider (410) is slidably connected to the slide rail (46), the slide rail (46) is fixedly installed on the outer wall of the intermediate cover (2), and the horizontal plate (42) is connected to the synchronous rotation drive assembly; The synchronous rotation drive assembly includes a gear ring A (41), a gear ring B (43) and a horizontal shaft (44); several sets of gear rings B (43) are fixedly connected on the horizontal plate (42), and several sets of horizontal shafts (44) are rotatably installed at both ends of the intermediate cover (2). A gear ring A (41) is fixedly connected on the horizontal shaft (44) at the front end, and the gear ring A (41) and the gear ring B (43) located above it are respectively meshed and connected. Rotation adjustment components are fixedly connected between the horizontal shafts (44) at the same positions at the front and rear; The rotating adjustment component includes a horizontally arranged rotating plate (48); adjacent rotating plates (48) are connected in contact, and the inner ends of the horizontal shafts (44) at the same position at the front and rear are fixedly connected to the front and rear ends of the rotating plates (48); the front and rear ends of the rotating plates (48) are respectively in contact with the inner wall of the intermediate cover (2); large air holes (47) and small air holes (413) are opened at equal intervals at the corresponding positions at the upper and lower ends of the rotating plates (48); each group of large air holes (47) and small air holes (413) are one-to-one corresponding and connected.

2. The chemical surface dehydration device according to claim 1, characterized in that, The air inlet of the heater (19) is connected to the primary filter (17) via the second fan (18), the steam inlet of the heater (19) is connected to the external medium-pressure saturated steam storage tank, and the liquid outlet of the heater (19) is connected to the condensate collection tank.

3. The chemical surface dehydration device according to claim 2, characterized in that, It also includes a flushing pipe, the inlet of which is connected to an external tap water storage tank, and the other end of which is connected to the flushing interface of the fluidized bed (10) and the flushing interface of the feed assembly (9).

4. The chemical surface dehydration device according to claim 3, characterized in that, The outlet of the cyclone dust collector (11) is connected to the cleaning tower (16) via the blower (15), and the cleaning tower (16) is connected to the external washing water tank and washing wastewater tank; the outlet of the cyclone dust collector (11) enters the packaging device (14) through the pipeline.

5. The chemical surface dehydration device according to claim 4, characterized in that, The air outlet of the second blower (18) is connected to the air inlet on the side of the fluidized bed (10) near the discharge port via a pipe.

6. The chemical surface dehydration device according to claim 5, characterized in that, A horizontal support plate (411) is fixedly connected to the inner wall of the intermediate cover (2). The horizontal support plate (411) has an arc-shaped straight hole (412) that fits into the end of the rotating plate (48) near the end.

7. A chemical surface dehydration process, characterized in that, The chemical surface dehydration apparatus according to claim 6 includes the following steps:

1. Chemicals are conveyed to the fluidized bed (10) through the feed assembly (9) for drying; 2. After being filtered by the primary filter (17), the ambient temperature air is delivered to the heater (19) by the second fan (18). The heater (19) exchanges heat between the air and the medium-pressure saturated steam and delivers the hot air to the fluidized bed (10). The condensate is delivered to the condensate collection tank.

3. The exhaust pipe (5) of the fluidized bed (10) transmits the gas to the cyclone dust collector (11). The gas outlet of the cyclone dust collector (11) is transmitted to the cleaning tower (16) for cleaning by the blower (15). The cleaning wastewater enters the washing wastewater tank. The discharge end of the cyclone dust collector (11) is transmitted to the packaging device (14). IV. The discharge hood (7) of the fluidized bed (10) transports the material to the screening device (12) for screening; the coarse particles after screening by the screening device (12) enter the crushing device (13), and the fine particles after screening by the screening device (12) enter the packaging device (14); the crushing device (13) crushes the material and then transports it to the packaging device (14).

5. The dried material is packaged using the packaging device (14).

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