CN216149054U

CN216149054U - Advanced spray dryer

Info

Publication number: CN216149054U
Application number: CN202122023461.9U
Authority: CN
Inventors: 王凯
Original assignee: Wuxi Kaiyide Drying Equipment Co ltd
Current assignee: Wuxi Kaiyide Drying Equipment Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-04-01
Anticipated expiration: 2031-08-26

Abstract

The utility model aims to provide an advanced spray dryer which comprises a support, a drying tower, a feeding device, an air inlet device, a returning device, a material receiving device and a control box, wherein the drying tower is fixedly arranged at the top end of the support, the bottom of the drying tower is provided with a humidity sensor, the feeding device is fixedly arranged at the top of the drying tower, the air inlet device is fixedly arranged at the top end of the support, the returning device is fixedly arranged at one side of the drying tower, the material receiving device is fixedly arranged at the other side of the drying tower and comprises a discharge pipe, a first electromagnetic valve, a cyclone separator and a material receiving tank, the discharge pipe is provided with the first electromagnetic valve, the material receiving tank is fixedly arranged at the bottom of the cyclone separator, and the control box is fixedly arranged at one side of the drying tower. According to the utility model, the quality of the product is detected by the humidity sensor, the control box can automatically control the feeding, air inlet, return and material receiving of the dryer, and the automation degree of the dryer is greatly improved.

Description

Advanced spray dryer

Technical Field

The utility model relates to the field of spray dryers, in particular to an advanced spray dryer.

Background

The spray drier is a device capable of simultaneously completing drying and granulation, can adjust the pressure, flow and spray hole size of a feed liquid pump according to the technological requirements to obtain the required spherical particles according to a certain size proportion, is one kind of continuous normal pressure drier, sprays the liquid material into mist by special equipment, makes the liquid material contact with hot air to be dried, is used for drying some heat-sensitive liquids, suspensions and viscous liquids, and is also used for drying fuels, intermediates, soap powder, inorganic salts and the like.

At present, chinese patent with publication number CN203540088U discloses a spray dryer, which comprises an air supply fan, an air filter, a heating device, a spray gun, a vibration device, a drying tower, a cold air spacer, a cold air fan, a discharge valve, a cyclone remover, an induced air fan, a high-pressure pump, an agitator tank, and a material filter, wherein the air supply fan faces the air filter, the air filter is connected with the heating device, the heating device is connected to the top of the drying tower, the drying tower is provided with the vibration device and the cold air spacer, the bottom end of the drying tower is provided with the discharge valve, the material filter is connected with the agitator tank, the agitator tank is connected to the spray gun through the high-pressure pump, the spray gun is arranged inside the top end of the drying tower, the side surface of the drying tower is connected with the cold air fan, the side surface of the bottom end of the drying tower is further connected with a cyclone dust remover, and the dust remover is connected with the induced air fan.

The above prior art solutions have the following drawbacks: the feeding amount of the feed liquid can not be adjusted in real time, the humidity of the product can not be detected, and multiple times of drying can not be carried out, so that the drying performance is poor, the working state of the drying machine needs to be adjusted manually, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide an advanced spray dryer that solves the above-mentioned problems of the prior art.

The technical purpose of the utility model is realized by the following technical scheme:

an advanced spray dryer comprises a support, a drying tower, a feeding device, an air inlet device, a returning device, a material receiving device and a control box, wherein the drying tower is fixedly arranged at the top end of the support, the bottom of the drying tower is provided with a humidity sensor, the feeding device is fixedly arranged at the top of the drying tower, the air inlet device is fixedly arranged at the top end of the support, the returning device is fixedly arranged at one side of the drying tower, the material receiving device is fixedly arranged at the other side of the drying tower and comprises a discharging pipe, a first electromagnetic valve, a cyclone separator and a material receiving tank, one end of the discharging pipe is communicated with the drying tower, the other end of the discharging pipe is communicated with the cyclone separator, the discharging pipe is provided with the first electromagnetic valve, the material receiving tank is fixedly arranged at the bottom of the cyclone separator, one side of the drying tower is fixedly provided with the control box, the control box is used for controlling the working states of the feeding device, the air inlet device, the returning device and the material receiving device.

In a further embodiment, the returning device comprises a bag-type dust collector, a first fan, a first air filter, a first air pipe and a second air pipe, one end of the first air pipe is communicated with the drying tower, the other end of the first air pipe is communicated with a feed inlet of the bag-type dust collector, a second electromagnetic valve is arranged on the first air pipe, one end of the second air pipe is communicated with a discharge outlet of the bag-type dust collector, the other end of the second air pipe is communicated with the drying tower, one end of the first fan is communicated with the inside of the first air filter, and the other end of the first fan is communicated with a discharge outlet of the bag-type dust collector.

In a further embodiment, the feeding device comprises a feeding tank, a feeding pipe and an atomizer, the atomizer is fixedly installed at the top end of the drying tower, the feeding tank is fixedly installed at the top end of the support, one end of the feeding pipe is communicated with the feeding tank, and the other end of the feeding pipe is communicated with the atomizer.

In a further embodiment, a pressure sensor is arranged on the feeding tank, and a third electromagnetic valve is arranged on the feeding pipe.

In a further embodiment, the air intake device comprises a second air filter, an electric heater, a second fan and a hot air distributor, the second air filter, the electric heater, the second fan and the hot air distributor are all fixedly mounted at the top of the support, the interiors of the second air filter, the electric heater, the second fan and the hot air distributor are all sequentially communicated through pipelines, and the interior of the hot air distributor is communicated with the interior of the drying tower.

In a further embodiment, the inside of control box is provided with control module, feed arrangement, hot blast blowpipe apparatus, return device, material collecting device respectively with the wired signal connection of control module, control module is provided with IO interface and singlechip, the IO interface is used for external control terminal.

In conclusion, the utility model has the following beneficial effects:

1. through the arrangement of the pressure sensor and the feeding device, the pressure sensor can detect the hydraulic pressure of the feed liquid in the feeding tank in real time, so that the feed liquid amount in the feeding tank is judged, after a pressure signal is transmitted to the control module in the control box, the control module controls the third electromagnetic valve to open or close, so that the feeding device is started or closed, the whole process does not need manual operation, and the effect of improving the automation degree of the dryer is achieved;

2. through the arrangement of the humidity sensor, the returning device and the material receiving device, the humidity of a product in the drying tower can be detected by the humidity sensor, so that whether the quality of the product meets the material receiving requirement or not is judged, when the humidity meets the standard, the control module opens the first electromagnetic valve, the product enters the material receiving device, when the humidity does not meet the standard, the control module closes the first electromagnetic valve, opens the second electromagnetic valve, the coarse product enters the returning device, and the returning device returns the coarse product to the inside of the drying tower for secondary drying after dust removal and purification, so that the effect of improving the quality of the product is achieved;

3. through the setting of control box, the process homoenergetic such as feeding, air inlet, the receipts material of desiccator can realize full automation, need not artifical unloading, has effectively improved the degree of automation of desiccator.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the return apparatus of the present invention;

FIG. 3 is a schematic view of the structure of the feeding device of the present invention;

fig. 4 is a schematic structural view of the novel middle material receiving device.

In the figure, 1, a bracket; 2. a drying tower; 3. a feeding device; 31. a feed tank; 32. an atomizer; 33. a pressure sensor; 34. a third electromagnetic valve; 4. an air intake device; 41. a second air filter; 42. an electric heater; 43. a second fan; 44. a hot air distributor; 5. a return device; 51. a bag-type dust collector; 52. a first fan; 53. a first air filter; 54. a second solenoid valve; 6. a material receiving device; 61. a first solenoid valve; 62. a cyclone separator; 63. a material receiving tank; 7. a control box; 8. a humidity sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a particular component geometry, respectively, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present specification, "plurality" means two or more unless the direction of the center is specifically defined otherwise.

Example 1:

as shown in figure 1, the advanced spray dryer comprises a support 1, a drying tower 2, a feeding device 3, an air inlet device 4, a returning device 5, a material receiving device 6 and a control box 7, wherein the drying tower 2 is fixedly arranged at the top end of the support 1, the bottom of the drying tower 2 is provided with a humidity sensor 8, the feeding device 3 is fixedly arranged at the top of the drying tower 2, the air inlet device 4 is fixedly arranged at the top end of the support 1, the returning device 5 is fixedly arranged at one side of the drying tower 2, the material receiving device 6 is fixedly arranged at the other side of the drying tower 2, the material receiving device 6 comprises a discharge pipe, a first electromagnetic valve 61, a cyclone separator 62 and a material receiving tank 63, one end of the discharge pipe is communicated with the drying tower 2, the other end of the discharge pipe is communicated with the cyclone separator 62, the first electromagnetic valve 61 is arranged on the discharge pipe, the material receiving tank 63 is fixedly arranged at the bottom of the cyclone separator 62, one side of the drying tower 2 is fixedly provided with a control box 7, and the control box 7 is used for controlling the working states of the feeding device 3, the air inlet device 4, the returning device 5 and the material receiving device 6.

The inside of control box 7 is provided with control module, and feed arrangement 3, hot blast blowpipe apparatus 4, return device 5, material collecting device 6 respectively with the wired signal connection of control module, control module are provided with IO interface and singlechip, the IO interface is used for external control terminal.

The feeding device 3 comprises a feeding tank 31, a feeding pipe and an atomizer 32, the atomizer 32 is fixedly installed at the top end of the drying tower 2, the feeding tank 31 is fixedly installed at the top end of the support 1, one end of the feeding pipe is communicated with the feeding tank 31, and the other end of the feeding pipe is communicated with the atomizer 32.

The feeding tank 31 is provided with a pressure sensor 33, and the feeding pipe is provided with a third electromagnetic valve 34.

Feed arrangement 3 is used for sending into the inside of drying tower 2 with the feed liquid, atomizer 32 can become the superfine droplet with the feed liquid atomizing, and even spraying is to the inside of drying tower 2, pressure sensor 33 is arranged in detecting the hydraulic pressure of the feed liquid in feed tank 31, and with the control module in pressure signal transmission to control box 7, when signal display hydraulic pressure is higher, control module opens third solenoid valve 34, the feed liquid is sent to the inside of atomizer 32, it is dry in the drying tower to get into after the atomizing, when signal display feed liquid hydraulic pressure is low to a definite value, control module closes third solenoid valve 34, and close air inlet unit 4, thereby the operation of pause desiccator, play the effect of practicing thrift the energy consumption.

The air intake device 4 comprises a second air filter 41, an electric heater 42, a second fan 43 and a hot air distributor 44, wherein the second air filter 41, the electric heater 42, the second fan 43 and the hot air distributor 44 are all fixedly mounted at the top of the support 1, the interiors of the second air filter 41, the electric heater 42, the second fan 43 and the hot air distributor 44 are all sequentially communicated through pipelines, and the interior of the hot air distributor 44 is communicated with the interior of the drying tower 2.

The second air filter 41 can filter dust and bacteria in the air, so as to ensure that the air entering the interior of the drying tower 2 meets the national standard, the filtered air is introduced into the electric heater 42 by the second fan 43, the electric heater 42 heats the air and then sends the air to the interior of the hot air distributor 44, the hot air is uniformly sent into the drying tower 2 in a spiral manner by the hot air distributor 44, and after the feed liquid mist drops are fully contacted with the hot air, the feed liquid mist drops are rapidly dried into particles and move to the bottom of the drying tower 2 and the returning device 5 along the air flow.

The humidity sensor 8 can detect the humidity of the coarse product and transmit a humidity signal to a control module in the control box 7, when the humidity of the coarse product is lower than a set standard, the quality of the coarse product meets the standard of material receiving, the control module opens a first electromagnetic valve 61 in the material receiving device 6, the coarse product enters the cyclone separator 62 along the direction of air flow, the cyclone separator 62 is used for separating out damp and hot air in the coarse product and discharging the air into ambient air after purification and dust removal, and the residual final product enters the material receiving tank 63 along the direction of air flow; when the humidity of the coarse product is higher than the set standard, the quality of the coarse product does not meet the receiving standard, and the control module closes the first solenoid valve 61 and opens the second solenoid valve 54 in the returning device 5, so that the coarse product enters the inside of the returning device 5.

The returning device 5 comprises a bag-type dust collector 51, a first fan 52, a first air filter 53, a first air pipe and a second air pipe, one end of the first air pipe is communicated with the drying tower 2, the other end of the first air pipe is communicated with a feed inlet of the bag-type dust collector 51, a second electromagnetic valve 54 is arranged on the first air pipe, one end of the second air pipe is communicated with a discharge outlet of the bag-type dust collector 51, the other end of the second air pipe is communicated with the drying tower 2, one end of the first fan 52 is communicated with the inside of the first air filter 53, and the other end of the first fan 52 is communicated with a discharge outlet of the bag-type dust collector 51.

The coarse product enters the bag-type dust collector 51 through the first air pipe, the bag-type dust collector 51 is used for separating out damp-heat gas in the coarse product, the damp-heat gas is discharged into ambient air after dust removal, the residual coarse product moves to a discharge hole of the bag-type dust collector 51 along with the air flow direction, the coarse product is returned to the inside of the drying tower 2 through the first fan 52 to be dried again, the first air filter 53 can filter dust and bacteria in the air, and the air quality inside the drying tower 2 is guaranteed not to be affected.

The specific implementation process comprises the following steps: the feeding device 3 atomizes the material to be dried into ultrafine fog drops and sends the ultrafine fog drops into the drying tower 2, the air inlet device 4 heats the filtered air and sends the air spirally into the drying tower 2, the feed liquid fog drops are dried into coarse product particles rapidly in a short time after being fully contacted with the hot air, the humidity sensor 8 in the drying tower 2 detects the humidity of the coarse product and transmits signals to the control module in the control box 7, when the product humidity meets the receiving standard, the control box 7 controls the first electromagnetic valve 61 to enable the product to enter the receiving device 6, when the product humidity does not meet the receiving standard, the control box 7 controls the second electromagnetic valve 54 to enable the product to enter the returning device 5, the returning device 5 divides the coarse product for dust removal and then sends the coarse product back to the inside of the drying tower 2 for drying again, in addition, the pressure sensor 33 on the feeding tank 31 can detect the hydraulic pressure of the feed liquid, when the feed liquid is not enough, hydraulic pressure reduces, behind pressure sensor 33 with signal transmission to the control module in control box 7, control box 7 can be through adjusting opening and shutting of third solenoid valve 34 to pause feed arrangement 3's work to play the effect of energy saving, whole control box 7's control process need not manual operation, has promoted the degree of automation of desiccator greatly.

In the embodiments of the present disclosure, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the disclosed embodiments of the utility model can be understood by those of ordinary skill in the art as appropriate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a senior spray drier, includes support (1), drying tower (2), feed arrangement (3), hot blast blowpipe apparatus (4), return means (5), material collecting device (6) and control box (7), its characterized in that: the drying tower (2) is fixedly arranged on the top end of the support (1), the bottom of the drying tower (2) is provided with a humidity sensor (8), the feeding device (3) is fixedly arranged on the top of the drying tower (2), the air inlet device (4) is fixedly arranged on the top end of the support (1), the returning device (5) is fixedly arranged on one side of the drying tower (2), the material receiving device (6) is fixedly arranged on the other side of the drying tower (2), the material receiving device (6) comprises a discharge pipe, a first electromagnetic valve (61), a cyclone separator (62) and a material receiving tank (63), one end of the discharge pipe is communicated with the drying tower (2), the other end of the discharge pipe is communicated with the cyclone separator (62), the discharge pipe is provided with the first electromagnetic valve (61), and the material receiving tank (63) is fixedly arranged on the bottom of the cyclone separator (62), one side fixed mounting of drying tower (2) has control box (7), control box (7) are used for controlling feed arrangement (3), hot blast blowpipe apparatus (4), return device (5) and material collecting device (6)'s operating condition.

2. An advanced spray dryer as claimed in claim 1, wherein: returning device (5) includes sack cleaner (51), first fan (52), first air cleaner (53), first tuber pipe and second tuber pipe, the one end and the drying tower (2) intercommunication of first tuber pipe, the other end of first tuber pipe and the feed inlet intercommunication of sack cleaner (51), be provided with second solenoid valve (54) on the first tuber pipe, the one end of second tuber pipe and the discharge gate intercommunication of sack cleaner (51), the other end and the drying tower (2) intercommunication of second tuber pipe, the one end of first fan (52) and the inside intercommunication of first air cleaner (53), the other end of first fan (52) and the discharge gate intercommunication of sack cleaner (51).

3. An advanced spray dryer as claimed in claim 1, wherein: feed arrangement (3) are including feeding jar (31), inlet pipe and atomizer (32), atomizer (32) fixed mounting is on the top of drying tower (2), feeding jar (31) fixed mounting is on the top of support (1), the one end and the feeding jar (31) intercommunication of inlet pipe, the other end and atomizer (32) intercommunication of inlet pipe.

4. An advanced spray dryer as claimed in claim 3, wherein: the feeding tank (31) is provided with a pressure sensor (33), and the feeding pipe is provided with a third electromagnetic valve (34).

5. An advanced spray dryer as claimed in claim 1, wherein: the air inlet device (4) comprises a second air filter (41), an electric heater (42), a second fan (43) and a hot air distributor (44), wherein the second air filter (41), the electric heater (42), the second fan (43) and the hot air distributor (44) are fixedly mounted at the top of the support (1), the interiors of the second air filter (41), the electric heater (42), the second fan (43) and the hot air distributor (44) are communicated in sequence through pipelines, and the interior of the hot air distributor (44) is communicated with the interior of the drying tower (2).

6. An advanced spray dryer as claimed in claim 1, wherein: the inside of control box (7) is provided with control module, feed arrangement (3), hot blast blowpipe apparatus (4), return device (5), material collecting device (6) respectively with the wired signal connection of control module, control module is provided with IO interface and singlechip, the IO interface is used for external control terminal.