CN216062049U

CN216062049U - High-speed centrifugal spray dryer

Info

Publication number: CN216062049U
Application number: CN202122781917.8U
Authority: CN
Inventors: 潘亚军
Original assignee: Changzhou Haijiang Drying Equipment Co ltd
Current assignee: Changzhou Haijiang Drying Equipment Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-03-18
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to the technical field of drying equipment, in particular to a high-speed centrifugal spray dryer which comprises a drying tower, an air suction mechanism, a cyclone separator, a bag-type dust remover and a steam discharge tower, wherein the air suction mechanism comprises a suction fan, a first filter, a heat exchanger and a pulse pipe, the suction fan is communicated with the first filter, the first filter is communicated with the heat exchanger, the pulse pipe is connected with the heat exchanger, an atomizer is arranged at the top of the drying tower, air is blown in by the suction fan and filtered by the first filter to form hot air, meanwhile, the feed liquid is guided into the pulse pipe through a material guide pipe, as the pulse pipe can be heated by the hot air, the feed liquid can be preheated when passing through the pulse pipe, the preheated feed liquid is atomized by the atomizer and then sprayed into ultrafine atomized liquid beads through a mist discharge pipe, and the finished product can be dried in a very short time after being contacted with the hot air, thereby improving the drying efficiency.

Description

High-speed centrifugal spray dryer

Technical Field

The utility model relates to the technical field of drying equipment, in particular to a high-speed centrifugal spray dryer.

Background

A high-speed centrifugal spray drier for preparing powdered material from fluid materials such as biologic, medicine and food through atomizing, heating and atomizing features that different atomizers are used to spray the solution, emulsion, suspension or water-contained pasty material in hot air in drying tower to form fine liquid drops, and the water is evaporated to obtain powdered or granular product.

Chinese patent publication No. CN105833553A discloses an intelligent high-speed centrifugal spray dryer, which comprises a feeding mechanism, a heating mechanism, a drying mechanism, a separating mechanism and a control mechanism; feed mechanism includes feed cylinder and flow sensor, flow sensor sets up on the discharging pipe of feed cylinder, drying mechanism includes drying tower, humidity transducer, peristaltic pump, backflow pipeline, electric three-way valve links to each other with drying tower, backflow pipeline's entry and drying tower's discharge gate respectively, the peristaltic pump sets up on the feed inlet of drying tower, feed mechanism's discharge gate and backflow pipeline's export link to each other through the feed inlet of peristaltic pump with the drying tower respectively.

Above-mentioned this kind of intelligence high speed centrifugation spray drier meets hot drying tower lateral wall after the in-process material of work is sprayed into the fine mist and bonds easily on its inner wall and form and remain, does not clear up easily to the inner wall of drying tower for a long time and corrodes to make the life significantly reduced of drying tower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the high-speed centrifugal spray dryer with high drying efficiency and long service life.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a high-speed centrifugal spray dryer comprises a drying tower, an air suction mechanism, a cyclone separator, a bag-type dust collector and a steam discharge tower, wherein the air suction mechanism comprises a suction fan, a first filter, a heat exchanger and a pulse tube, the suction fan is communicated with the first filter, the first filter is communicated with the heat exchanger, the pulse tube is connected with the heat exchanger, an atomizer is installed at the top of the drying tower, the pulse tube is communicated with the atomizer, the atomizer is communicated with the drying tower through the atomizing tube, a material guide tube is arranged on the pulse tube, a first conical hopper is arranged at the bottom of the drying tower, the first conical hopper is communicated with the cyclone separator through a second connecting tube, a second material discharge valve is arranged at the bottom of the cyclone separator, the cyclone separator is connected with the bag-type dust collector through a third connecting tube, and an air suction machine is arranged between the bag-type dust collector and the steam discharge tower, the utility model discloses a steam exhaust tower, including air compressor, suction machine, bag dust collector, cyclone, steam emission tower, steam exhaust tower, be equipped with steam conduit between suction machine and the bag dust collector through first connecting pipe intercommunication, be equipped with second toper hopper on the cyclone, be equipped with first discharge valve on the second toper hopper, the bottom of drying tower, cyclone and bag dust collector all is equipped with a plurality of supporting legs, be equipped with the filter screen in the steam emission tower, the filter screen is located steam conduit's top and below, the top of filter screen is equipped with the purge tube, the both ends of purge tube are equipped with the mouth that sprays, be equipped with the water service mouth on the purge tube, steam conduit's below is equipped with the aqua storage tank, the outside of steam emission tower is equipped with drain pipe and aqua storage tank intercommunication, the top of steam emission tower is equipped with steam discharge pipe.

In order to conveniently overhaul the drying tower, the utility model has the improvement that the drying tower is provided with an overhaul port, the drying tower is also provided with an inspection table, the inspection table is positioned below the overhaul port, and the inspection table is provided with a step ladder.

In order to conveniently control the air pressure of the drying tower and improve the safety, the utility model has the improvement that the drying tower is provided with an exhaust pump, the exhaust pump is communicated with the drying tower through an exhaust pipe, the exhaust pipe is arranged at the joint of the exhaust pipe and the exhaust pump, and the exhaust pump is provided with a pressure gauge.

In order to improve the effect of fine material transfer, the utility model has the improvement that the second connecting pipe is communicated with the cyclone separator through a conical connecting pipe, the third connecting pipe is communicated with the bag-type dust remover and the cyclone separator through the conical connecting pipe, the first connecting pipe is communicated with the bag-type dust remover through the conical connecting pipe, the second connecting pipe is connected with the first conical hopper through a sealing flange, and the first connecting pipe is connected with the air entraining machine through the sealing flange.

In order to improve the drying effect, the utility model improves that the atomizing pipe is provided with a mist discharge pipe which is of an annular structure.

In order to clean the filter screen conveniently, the utility model has the improvement that a water suction pump is arranged on the water through opening, a second filter is arranged on the water suction pump, and the water suction pump is connected with the water through opening through a connecting valve.

In order to further improve the drying effect, the utility model has the improvement that the outer side of the atomizer is provided with a heat-insulating layer, the second conical hopper is provided with a cleaning opening, and the water storage tank is provided with an inspection opening.

In order to improve the steam discharging effect, the utility model improves that two steam discharging openings are symmetrically arranged at the top of the steam discharging tower, and the steam discharging pipe is communicated with the steam discharging tower through the steam discharging openings.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-speed centrifugal spray dryer, which has the following beneficial effects:

when the drying device is used, air is blown in by the suction fan and is filtered by the first filter, then the air is heated by the heat exchanger to form hot air, meanwhile, the feed liquid is guided into the pulse tube through the material guide tube, the pulse tube is heated by the hot air, the feed liquid is preheated when passing through the pulse tube, the preheated feed liquid is atomized by the atomizer and then is sprayed into ultrafine atomized liquid beads through the mist discharge tube, and the ultrafine atomized liquid beads can be dried into finished products in a very short time after being contacted with hot air, so that the drying efficiency is improved.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the air intake mechanism of the present invention;

FIG. 4 is a schematic view of an atomizing mechanism of the present invention;

in the figure: 1. a drying tower; 2. a suction fan; 3. a first filter; 4. a heat exchanger; 5. an exhaust pump; 6. an air exhaust pipe; 7. an exhaust pipe; 8. a pulse tube; 9. an atomizer; 10. a heat-insulating layer; 11. an atomizing tube; 12. a material guide pipe; 13. a first conical hopper; 14. an inspection table; 15. climbing a ladder; 16. an access hole; 17. a cyclone separator; 18. a bag-type dust collector; 19. a first connecting pipe; 20. a vapor discharge column; 21. a mounting frame; 22. guiding the gas machine; 23. a filter screen; 24. a purge tube; 25. a steam conduit; 26. a second conical hopper; 27. a first discharge valve; 28. a second discharge valve; 29. a second connecting pipe; 30. a water inlet; 31. a spray port; 32. a steam discharge pipe; 33. a third connecting pipe; 34. a tapered connecting pipe; 35. dedusting particles; 36. a fourth connecting pipe; 37. a drain pipe; 38. an inspection opening; 39. a steam discharge port; 40. a second filter; 41. a connecting valve; 42. a water pump;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention is a high-speed centrifugal spray dryer, including a drying tower 1, a suction fan 2 mechanism, a cyclone separator 17, a bag-type dust collector 18 and a steam discharge tower 20, where the suction fan 2 mechanism includes a suction fan 2, a first filter 3, a heat exchanger 4 and a pulse tube 8, the suction fan 2 is communicated with the first filter 3, the first filter 3 is communicated with the heat exchanger 4, the pulse tube 8 is connected with the heat exchanger 4, the top of the drying tower 1 is provided with an atomizer 9, the pulse tube 8 is communicated with the atomizer 9, the atomizer 9 is communicated with the drying tower 1 through an atomization tube 11, the pulse tube 8 is provided with a material guide tube, the bottom of the drying tower 1 is provided with a first conical hopper 13, the first conical hopper 13 is communicated with the cyclone separator 17 through a second connection tube 29, the bottom of the cyclone separator 17 is provided with a second discharge valve 28, the cyclone separator 17 is connected with the bag-type dust collector 18 through a third connecting pipe 33, an air guiding machine 22 is arranged between the bag-type dust collector 18 and the steam discharge tower 20, the air guiding machine 22 is communicated with the bag-type dust collector 18 through a first connecting pipe 19, a steam guide pipe 25 is arranged in the steam discharge tower 20, the air guiding machine 22 is communicated with the steam guide pipe 25 through a fourth connecting pipe 36, a second conical hopper 26 is arranged on the cyclone separator 17, a first discharge valve 27 is arranged on the second conical hopper 26, a plurality of support legs are arranged at the bottoms of the drying tower 1, the cyclone separator 17 and the bag-type dust collector 18, a filter screen 23 is arranged in the steam discharge tower 20, the filter screen 23 is positioned above and below the steam guide pipe 25, a purifying pipe 24 is arranged above the filter screen 23, and spraying ports 31 are arranged at two ends of the purifying pipe 24, the purification pipe 24 is provided with a water through hole 30, a water storage tank is arranged below the steam guide pipe 25, a drain pipe 37 communicated with the water storage tank is arranged on the outer side of the steam discharging tower 20, and a steam discharging pipe 32 is arranged at the top of the steam discharging tower 20.

In this embodiment, the drying tower 1 is provided with an access opening 16, the drying tower 1 is further provided with an inspection table 14, the inspection table 14 is located below the access opening 16, the inspection table 14 is provided with a step 15, and maintenance personnel can conveniently step on the inspection table 14 through the access opening 16 and the drying table for repair through the step 15.

In this embodiment, be equipped with air pump 5 on drying tower 1, air pump 5 passes through exhaust tube 6 and 1 intercommunication of drying tower, blast pipe 7 is established with the junction of air pump 5 to exhaust tube 6, be equipped with the manometer on the air pump 5, make things convenient for the atmospheric pressure of management and control drying tower 1, in time bleed when drying tower 1 internal gas pressure is too high, improve the security.

In this embodiment, second connecting pipe 29 passes through conical connection pipe 34 and cyclone 17 intercommunication, third connecting pipe 33 passes through conical connection pipe 34 and sack cleaner 18 and cyclone 17 intercommunication, first connecting pipe 19 passes through conical connection pipe 34 sack cleaner 18 intercommunication, and second connecting pipe 29 passes through sealing flange with first cone hopper 13 and is connected, first connecting pipe 19 passes through sealing flange with bleed machine 22 and is connected, enlarges the size of fine material entry and export when the transmission through conical connection pipe 34, prevents to take place to block up, improves the effect of fine material transmission.

In this embodiment, be equipped with the row fog pipe on the atomizing pipe 11, the row fog pipe is the loop configuration, and the feed liquid is atomized through the row fog pipe after the atomizer and is become the vaporific liquid pearl of superfine, can be the finished product in the drying of the time of the utmost point after contacting with hot-air to improve drying efficiency.

In this embodiment, a water pump 42 is disposed on the water passage 30, a second filter 40 is disposed on the water pump 42, the water pump 42 is connected to the water passage 30 through a connection valve 41, water is pumped through the water pump 42, water is filtered by the second filter 40 and then introduced into the purification pipe 24, and the water is sprayed through the spraying port 31 to clean the filter screen 23.

In this embodiment, in order to further improve drying effect, the outside of atomizer 9 is equipped with heat preservation 10, be equipped with the clearance mouth on the second toper hopper 26, be equipped with inspection mouth 38 on the aqua storage tank, set up heat preservation 10 in the outside of atomizing pipe 11, heat preservation 10 adopts the cotton material of glass, the cotton material of glass has corrosion-resistant, the thermal conductivity is low, the characteristics that heat preservation and thermal insulation performance are excellent to the drying effect that makes the feed liquid is more excellent, conveniently clear up sack cleaner 18 in time through the clearance mouth, through inspection mouth 38, clear up the aqua storage tank, prevent that steam emission tower 20 from going mildy and producing the peculiar smell, influence the effect of emission.

In this embodiment, two steam discharging openings 39 are symmetrically formed at the top of the steam discharging tower 20, and the steam discharging pipe 32 passes through the steam discharging openings 39 and the steam discharging tower 20, thereby improving the efficiency of steam discharging.

In conclusion, in the high-speed centrifugal spray dryer, when in use, air is blown in by the suction fan 2, filtered by the first filter 3 and heated by the heat exchanger 4 to form hot air, meanwhile, the feed liquid is guided into the pulse tube 8 through the material guide pipe, because the pulse tube 8 can be heated by the hot air, when the feed liquid passes through the pulse tube 8, the feed liquid is preheated, the preheated feed liquid is atomized by the atomizer and then sprayed into ultrafine vaporous liquid beads through the mist discharge pipe, the ultrafine vaporous liquid beads can be dried into finished products in a very short time after being contacted with the hot air, so that the drying efficiency is improved, material particles in the drying tower 1 are guided to the cyclone separator 17 from the first conical hopper 13 through the second connecting pipe 29, fine materials are discharged from the second discharge valve 28 after being separated by the cyclone separator 17, coarse materials and waste gases are filtered by the bag dust collector 18, and the waste gases are guided to the steam discharge tower 20 by the induced draft fan, the steam is guided into the steam discharging tower 20 and then filtered through the filter screen 23, the damage to the environment is prevented after discharging, the coarse materials are discharged through the first discharging valve 27, and the materials can be dried and collected according to different fineness, so that the process applicability of the equipment is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-speed centrifugal spray dryer is characterized by comprising a drying tower (1), a suction fan (2) mechanism, a cyclone separator (17), a bag-type dust collector (18) and a steam discharge tower (20), wherein the suction fan (2) mechanism comprises a suction fan (2), a first filter (3), a heat exchanger (4) and a pulse tube (8), the suction fan (2) is communicated with the first filter (3), the first filter (3) is communicated with the heat exchanger (4), the pulse tube (8) is connected with the heat exchanger (4), an atomizer (9) is installed at the top of the drying tower (1), the pulse tube (8) is communicated with the atomizer (9), the atomizer (9) is communicated with the drying tower (1) through an atomization tube (11), a guide tube (12) is arranged on the pulse tube (8), a first conical hopper (13) is arranged at the bottom of the drying tower (1), first toper hopper (13) are through second connecting pipe (29) and cyclone (17) intercommunication, cyclone (17) bottom is equipped with second blow-off valve (28), cyclone (17) are connected with sack cleaner (18) through third connecting pipe (33), be equipped with between sack cleaner (18) and steam discharge tower (20) and draw mechanism (22), draw mechanism (22) and sack cleaner (18) between through first connecting pipe (19) intercommunication, be equipped with steam conduit (25) in steam discharge tower (20), draw mechanism (22) and steam conduit (25) between through fourth connecting pipe (36) intercommunication, be equipped with second toper hopper (26) on cyclone (17), be equipped with first blow-off valve (27) on second toper hopper (26), drying tower (1) The bottom of cyclone (17) and sack cleaner (18) all is equipped with a plurality of supporting legs, be equipped with filter screen (23) in steam emission tower (20), filter screen (23) are located the top and the below of steam conduit (25), the top of filter screen (23) is equipped with purifying tube (24), the both ends of purifying tube (24) are equipped with spray opening (31), be equipped with on purifying tube (24) and lead to water mouth (30), the below of steam conduit (25) is equipped with the aqua storage tank, the outside of steam emission tower (20) is equipped with drain pipe (37) and aqua storage tank intercommunication, the top of steam emission tower (20) is equipped with steam discharge pipe (32).

2. A high-speed centrifugal spray dryer according to claim 1, wherein the drying tower (1) is provided with an access opening (16), the drying tower (1) is further provided with an inspection table (14), the inspection table (14) is positioned below the access opening (16), and the inspection table (14) is provided with a step ladder (15).

3. A high-speed centrifugal spray dryer according to claim 1, wherein the drying tower (1) is provided with an exhaust pump (5), the exhaust pump (5) is communicated with the drying tower (1) through an exhaust pipe (6), an exhaust pipe (7) is arranged at the joint of the exhaust pipe (6) and the exhaust pump (5), and the exhaust pump (5) is provided with a pressure gauge.

4. A high-speed centrifugal spray dryer according to claim 1, characterized in that the second connecting pipe (29) is connected with the cyclone separator (17) through a conical connecting pipe (34), the third connecting pipe (33) is connected with the bag-type dust collector (18) and the cyclone separator (17) through the conical connecting pipe (34), the first connecting pipe (19) is connected with the bag-type dust collector (18) through the conical connecting pipe (34), the second connecting pipe (29) is connected with the first conical hopper (13) through a sealing flange, and the first connecting pipe (19) is connected with the air entraining machine (22) through a sealing flange.

5. A high-speed centrifugal spray dryer according to claim 1, wherein said atomizing pipe (11) is provided with a mist discharge pipe, said mist discharge pipe having an annular structure.

6. A high-speed centrifugal spray dryer according to claim 1, wherein a water pump (42) is provided on the water through opening (30), a second filter (40) is provided on the water pump (42), and the water pump (42) is connected with the water through opening (30) through a connecting valve (41).

7. A high-speed centrifugal spray dryer according to claim 1, wherein the outside of the atomizer (9) is provided with a heat insulating layer (10), the second conical hopper (26) is provided with a cleaning port, and the water storage tank is provided with an inspection port (38).

8. A high-speed centrifugal spray dryer according to claim 1, wherein the top of the steam discharge tower (20) is symmetrically provided with two steam discharge ports (39), and the steam discharge pipe (32) is communicated with the steam discharge tower (20) through the steam discharge ports (39).