CN211885420U

CN211885420U - Powder spray drying tower

Info

Publication number: CN211885420U
Application number: CN202020039731.8U
Authority: CN
Inventors: 张旺林; 张智英; 张旭; 张汝灵; 刘全凤; 张进
Original assignee: Hebei Wangkun Biotechnology Co ltd
Current assignee: Hebei Wangkun Biotechnology Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-11-10
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to the technical field of drying towers, in particular to a powder spray drying tower which can fully dry fog drops so as to improve the drying effect of powder; the tower comprises a tower body, an atomizer, a solution tank, a conveying pump and a heating box, wherein a working cavity is arranged inside the tower body, a first discharge pipe is arranged at the bottom end of the tower body, an air outlet pipe is arranged on one side of the tower body, the bottom output end of the atomizer extends into the working cavity from the top end of the tower body, an atomizing nozzle is arranged at the bottom output end of the atomizer, an air inlet pipe is arranged at the left end of the heating box, an air blower is arranged at the air inlet pipe, and a hot air pipe is arranged at the top; still include stay tube, backup pad, seal box, multiunit violently manage, ball bearing and annular tube, the horizontal fixed mounting of backup pad in the middle part of working chamber, seal box fixed mounting in the bottom middle part of backup pad, the multiunit violently manages the top with the annular tube and all is provided with first fumarole, the outside of annular tube evenly is provided with multiunit second fumarole.

Description

Powder spray drying tower

Technical Field

The utility model relates to a technical field of drying tower especially relates to a powder spray drying tower.

Background

As is well known, a spray drying tower is used for drying biological pesticides, medicines and food microorganisms, and spray drying is a drying process for separating raw material liquid into droplets in an atomizer and obtaining a product in a particle shape by a method of directly contacting the droplets with hot air or other gases; the existing powder spray drying tower comprises a tower body, an atomizer, a solution tank, a conveying pump and a heating box, wherein a working cavity is arranged inside the tower body, a discharging pipe is arranged at the bottom end of the tower body, an air outlet pipe is arranged on one side of the tower body, the atomizer is installed at the top end of the tower body, the bottom output end of the atomizer extends into the working cavity from the top end of the tower body, an atomizing nozzle is arranged at the bottom output end of the atomizer, the input end of the conveying pump is communicated with the solution tank, the output end of the conveying pump is communicated with the top input end of the atomizer, an air inlet pipe is arranged at the left end of the heating box, an air blower is arranged at the air inlet pipe, a hot air pipe is arranged at; when the existing powder spray drying tower is used, a solution in a solution tank is conveyed into an atomizer through a conveying pump and is sprayed into a working cavity through an atomizing nozzle, hot air heated by a heating box enters the working cavity to dry fog drops, powder obtained after drying is led out from a discharge pipe, and redundant hot air flow is led out through an air outlet pipe and is subjected to cyclone separation; the existing powder spray drying tower is used for discovering that hot air directly enters the tower body to cause that some fog drops are not sufficiently dried, thereby influencing the drying effect of powder and causing lower practicability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a can fully carry out the drying to the droplet to improve the drying effect to the powder, improve the powder spray drying tower of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a powder spray drying tower comprises a tower body, an atomizer, a solution tank, a conveying pump and a heating box, wherein a working cavity is arranged inside the tower body, a first discharge pipe is arranged at the bottom end of the tower body, an air outlet pipe is arranged on one side of the tower body, the atomizer is installed at the top end of the tower body, the bottom output end of the atomizer extends into the working cavity from the top end of the tower body, an atomizing nozzle is arranged at the bottom output end of the atomizer, the input end of the conveying pump is communicated with the solution tank, the output end of the conveying pump is communicated with the top input end of the atomizer, an air inlet pipe is arranged at the left end of the heating box, an air blower is arranged at the air inlet pipe; the support plate is transversely and fixedly arranged in the middle of the working cavity, the seal box is fixedly arranged in the middle of the bottom end of the support plate, a cavity is formed in the seal box, a through mounting hole which is communicated up and down is formed in the middle of the support plate, a ball bearing is fixedly arranged in the through mounting hole, a through hole is formed in the top end of the seal box and is positioned under the through mounting hole, the bottom end of the support tube penetrates through the ball bearing and the through hole and extends into the cavity, the top of the support tube is sealed, one end of each group of transverse tubes is respectively communicated with the inner side of each annular tube, the other end of each group of transverse tubes is respectively communicated with the top of the support tube, first air injection holes are formed in the top ends of the groups of transverse tubes and the annular tubes, and a plurality of groups of second air injection holes are uniformly formed in the outer, the multiple groups of second air injection holes incline clockwise, and the output end of the hot air pipe extends into the working cavity and is communicated with the sealing box.

Preferably, the one end that goes out the tuber pipe and is located the tower body is buckled downwards and vertical downwards, and the other end intercommunication that goes out the tuber pipe is provided with cyclone, cyclone's bottom is provided with the second discharging pipe, and cyclone's top is provided with the exhaust pipe to be provided with negative-pressure air fan in exhaust pipe department.

Preferably, the output end of the delivery pump is provided with a flow regulating valve.

Preferably, the input end of the air outlet pipe is positioned below the support plate, and the annular pipe is positioned below the atomizer nozzle.

Preferably, the inside of heating cabinet is provided with the electric heating net, the inside of intake pipe is provided with the active carbon filter core.

Preferably, the outer side of the supporting tube is sleeved with a sealing ring, the sealing ring is located in the cavity, and the top end of the sealing ring is tightly attached to the inner top wall of the cavity.

(III) advantageous effects

Compared with the prior art, the utility model provides a powder spray drying tower possesses following beneficial effect: the powder spray drying tower has the advantages that air is blown into the heating box through the air blower to be heated, the heated air enters the seal box in the tower body through the hot air pipe, the hot air in the seal box enters the multiple groups of transverse pipes and the annular pipes through the support pipe and is sprayed out from the multiple groups of first air spraying holes and the multiple groups of second air spraying holes, the sprayed droplets can be reversely dried through the hot air sprayed out of the first air spraying holes, the effective contact area between the hot air and the droplets is increased, the multiple groups of transverse pipes and the annular pipes can rotate through the reaction force of the hot air sprayed out of the second air spraying holes, the transverse pipes and the annular pipes can rotate and upwards spray hot air flow, the drying effect on the droplets is further improved, the hot air flow sprayed out of the second air spraying holes can also be used for heating the inside of the whole tower body, the droplets can be fully dried, and the drying effect on the powder is improved, the practicability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

FIG. 3 is a schematic perspective view of the support plate, support tube, seal box, cross tube and ring tube of the present invention;

in the drawings, the reference numbers: 1. a tower body; 2. an atomizer; 3. a solution tank; 4. a delivery pump; 5. a heating box; 6. a first discharge pipe; 7. an air outlet pipe; 8. an atomizing spray head; 9. an air inlet pipe; 10. a blower; 11. a hot air pipe; 12. supporting a tube; 13. a support plate; 14. a sealing box; 15. a transverse tube; 16. an annular tube; 17. a ball bearing; 18. a first gas ejection hole; 19. a second gas injection hole; 20. a cyclone separator; 21. a second discharge pipe; 22. an exhaust duct; 23. a negative pressure fan; 24. A flow regulating valve; 25. an electrical heating grid; 26. an activated carbon filter element; 27. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a powder spray drying tower, including tower body 1, atomizer 2, solution tank 3, delivery pump 4 and heating cabinet 5, the inside of tower body 1 is provided with the working chamber, the bottom of tower body 1 is provided with first discharging pipe 6, one side of tower body 1 is provided with air-out pipe 7, atomizer 2 is installed on the top of tower body 1, the bottom output of atomizer 2 stretches into the working chamber from the top of tower body 1, and be provided with atomizer 8 at the bottom output of atomizer 2, the input of delivery pump 4 communicates with solution tank 3, the output of delivery pump 4 communicates with the top input of atomizer 2, the left end of heating cabinet 5 is provided with intake pipe 9, intake pipe 9 is provided with air-blower 10, the top of heating cabinet 5 is provided with hot-blast pipe 11; the device comprises a supporting pipe 12, a supporting plate 13, a seal box 14, a plurality of groups of transverse pipes 15 and annular pipes 16, wherein the supporting plate 13 is transversely and fixedly installed in the middle of a working cavity, the seal box 14 is fixedly installed in the middle of the bottom end of the supporting plate 13, a cavity is formed in the seal box 14, a vertically through installation through hole is formed in the middle of the supporting plate 13, a ball bearing 17 is fixedly installed in the installation through hole, a through hole is formed in the top end of the seal box 14 and is located right below the installation through hole, the bottom end of the supporting pipe 12 penetrates through the ball bearing 17 and the through hole and extends into the cavity, the top of the supporting pipe 12 is sealed, one end of each group of transverse pipes 15 is respectively communicated with the inner side of the annular pipe 16, the other end of each group of transverse pipes 15 is respectively communicated with the top of the supporting pipe 12, and first air, a plurality of groups of second air injection holes 19 are uniformly formed in the outer side of the annular pipe 16, the plurality of groups of second air injection holes 19 are inclined towards the clockwise direction, and the output end of the hot air pipe 11 extends into the working cavity and is communicated with the sealing box 14; the air is blown into the heating box 5 by the blower 10 to be heated, the heated air enters the seal box 14 in the tower body 1 through the hot blast pipe 11, the hot air in the seal box 14 enters a plurality of groups of transverse pipes 15 and annular pipes 16 through the support pipe 12 and is sprayed out from a plurality of groups of first air spraying holes 18 and a plurality of groups of second air spraying holes 19, the hot air sprayed out through the first air spraying holes 18 can reversely dry sprayed droplets, the effective contact area between the hot air and the droplets is improved, the hot air sprayed out through the second air spraying holes 19 can enable the plurality of groups of transverse pipes 15 and annular pipes 16 to rotate through reaction force, the transverse pipes 15 and the annular pipes 16 can upwards spray hot air flow while rotating, the drying effect of the droplets is further improved, the hot air flow sprayed out through the second air spraying holes 19 can also be used for heating the inside of the whole tower body 1, the droplets can be fully dried, and the drying effect of powder is improved, the practicability is improved.

The utility model discloses a powder spray drying tower, the one end that goes out tuber pipe 7 and is located tower body 1 is buckled downwards and vertically downwards, and the other end of going out tuber pipe 7 communicates and is provided with cyclone 20, the bottom of cyclone 20 is provided with second discharging pipe 21, and the top of cyclone 20 is provided with exhaust pipe 22, and is provided with negative-pressure air fan 23 in exhaust pipe 22 department; the excessive gas in the tower body 1 carries a part of dust to enter the cyclone separator 20 for separation through the air outlet pipe 7, the separated dust is led out through a second discharge pipe 21 at the bottom of the cyclone separator 20, and the gas is discharged through an exhaust pipe 22.

In the powder spray drying tower of the utility model, the output end of the delivery pump 4 is provided with a flow regulating valve 24; the flow rate of the solution to be supplied can be adjusted by the flow control valve 24.

In the powder spray drying tower of the utility model, the input end of the air outlet pipe 7 is positioned below the support plate 13, and the annular pipe 16 is positioned below the spray head of the atomizer 2; the hot air sprayed out of the first air spraying holes 18 can dry falling fog drops, the supporting plate 13 is a narrow plate, and dried air is pumped out through the air outlet pipe 7.

In the powder spray drying tower of the utility model, an electric heating net 25 is arranged inside the heating box 5, and an active carbon filter element 26 is arranged inside the air inlet pipe; the gas entering the heating chamber 5 can be filtered by means of an activated carbon filter element 26.

In the powder spray drying tower of the utility model, the outer side of the supporting tube 12 is sleeved with the sealing ring 27, the sealing ring 27 is positioned in the cavity, and the top end of the sealing ring 27 is tightly attached to the inner top wall of the cavity; the sealing performance of the support pipe 12 and the seal box 14 is ensured by the seal ring 27, so that the pressure when the hot air is ejected from the first air ejection hole 18 and the second air ejection hole 19 is ensured.

The utility model discloses a powder spray drying tower, when using, it heats to blast the heating cabinet 5 with the air through air-blower 10, can filter the gas that gets into the heating cabinet 5 through active carbon filter core 26, the air after the intensification gets into seal box 14 in the tower body 1 through hot-blast main 11, the hot-air in seal box 14 gets into multiunit violently pipe 15 and ring pipe 16 and spouts from multiunit first fumarole 18 and multiunit second fumarole 19 through stay tube 12, can reverse dry the spun droplet through the hot-blast of first fumarole 18 blowout, the effective area of contact of hot-blast with the droplet has been improved, the hot-air of blowout through second fumarole 19 can make violently pipe 15 of multiunit and ring pipe 16 carry out the rotation through reaction force, make violently pipe 15 and ring pipe 16 rotate the limit and upwards spout the hot gas flow, further improve the drying effect to the droplet, the 19 spun hot gas flows of second fumarole can also be used for rising temperature to the inside of whole tower body 1, can fully carry out the drying to the droplet, thereby improve the drying effect to the powder, improve the practicality, unnecessary gas carries partly dust to get into cyclone 20 through play tuber pipe 7 in the tower body 1 and separates, the dust after the separation is derived through the second discharging pipe 21 of cyclone 20 bottom, gas passes through exhaust pipe 22 and discharges, can adjust the flow of carrying of solution through flow control valve 24.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A powder spray drying tower comprises a tower body (1), an atomizer (2), a solution tank (3), a delivery pump (4) and a heating box (5), wherein a working cavity is arranged inside the tower body (1), a first discharge pipe (6) is arranged at the bottom end of the tower body (1), an air outlet pipe (7) is arranged at one side of the tower body (1), the atomizer (2) is arranged at the top end of the tower body (1), the bottom output end of the atomizer (2) extends into the working cavity from the top end of the tower body (1), an atomizing nozzle (8) is arranged at the output end of the bottom of the atomizer (2), the input end of the delivery pump (4) is communicated with the solution tank (3), the output end of the delivery pump (4) is communicated with the input end of the top of the atomizer (2), an air inlet pipe (9) is arranged at the left end of the heating box (5), an air blower (10) is arranged at the air inlet pipe (9), and a hot air pipe (11) is arranged at the top end of the heating box (5); the device is characterized by further comprising a supporting pipe (12), a supporting plate (13), a sealing box (14), a plurality of groups of transverse pipes (15) and annular pipes (16), wherein the supporting plate (13) is transversely and fixedly installed in the middle of the working cavity, the sealing box (14) is fixedly installed in the middle of the bottom end of the supporting plate (13), a cavity is formed in the sealing box (14), an installation through hole which is communicated up and down is formed in the middle of the supporting plate (13), a ball bearing (17) is fixedly installed in the installation through hole, a through hole is formed in the top end of the sealing box (14), the through hole is located right below the installation through hole, the bottom end of the supporting pipe (12) penetrates through the ball bearing (17) and the through hole and extends into the cavity, the top of the supporting pipe (12) is sealed, one end of each group of the transverse pipe (15) is respectively communicated with the inner side of the annular pipe (16), the other end of each group, and all be provided with first fumarole (18) on the top of multiunit violently pipe (15) and annular tube (16), the outside of annular tube (16) evenly is provided with multiunit second fumarole (19), multiunit second fumarole (19) all incline towards clockwise, the output of hot-blast main (11) stretches into to the work intracavity and communicates with seal box (14).

2. A powder spray drying tower according to claim 1, wherein one end of the air outlet pipe (7) in the tower body (1) is bent downwards and vertically downwards, the other end of the air outlet pipe (7) is communicated with a cyclone separator (20), a second discharging pipe (21) is arranged at the bottom end of the cyclone separator (20), an exhaust pipe (22) is arranged at the top of the cyclone separator (20), and a negative pressure fan (23) is arranged at the exhaust pipe (22).

3. A powder spray drying tower according to claim 1, wherein the output of the delivery pump (4) is provided with a flow regulating valve (24).

4. A powder spray drying tower according to claim 1, wherein the inlet end of the air outlet duct (7) is located below the support plate (13) and the annular duct (16) is located below the spray head of the atomiser (2).

5. A powder spray drying tower according to claim 1, wherein an electric heating net (25) is arranged inside the heating box (5), and an activated carbon filter element (26) is arranged inside the air inlet pipe.

6. A powder spray drying tower according to claim 1, wherein the outer side of the supporting tube (12) is sleeved with a sealing ring (27), the sealing ring (27) is located in the cavity, and the top end of the sealing ring (27) is attached to the inner top wall of the cavity.