CN211400517U

CN211400517U - Drying tower

Info

Publication number: CN211400517U
Application number: CN201921683951.8U
Authority: CN
Inventors: 赵举文; 张立明; 张印生; 王光辉
Original assignee: Suihua Institute Of Agricultural Mechanization Heilongjiang Academy Of Agricultural Mechanical Engineering
Current assignee: Suihua Institute Of Agricultural Mechanization Heilongjiang Academy Of Agricultural Mechanical Engineering
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-09-01
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a drying tower, which is used for drying viscous feed liquid of corn protein powder or high-gluten corn powder, and comprises a lower cone hopper, a tower barrel, an air suction inlet, an air outlet, an upper cone hopper, a tower head and a spray gun pipe; the small opening end of the lower cone is provided with a discharge hole, the outer wall of the lower cone is provided with a vibrating air hammer, the large opening end of the lower cone is connected with a tower cylinder, the upper end of the tower cylinder is connected with an upper cone, the upper cone is connected with a tower head, the side edge of the tower head is connected with a hot air pipe, the bottom of the tower head is provided with an air distributor, the air distributor is provided with a spray gun hole, a spray gun pipe is arranged in the spray gun hole, the upper end of the spray gun pipe is connected with a high-pressure pipe, the high-pressure pipe is; the bottom end of the interior of the tower barrel is provided with an air suction opening, the lower end of the exterior of the tower barrel is provided with an air outlet, the air suction opening is connected with the air outlet through an elbow, and the air outlet is connected with a fan; a cold air port is formed at the large opening end of the conical wall of the lower conical hopper, and a vibrating air hammer is arranged on the outer wall of the lower conical hopper; the powder is not cured or gelatinized in the production, the production rate of the powder is improved, and the product quality is ensured.

Description

Drying tower

Technical Field

The utility model relates to a maize protein powder and high-gluten maize feed liquid stoving production facility especially relates to a by the tower head, go up awl fill, a tower section of thick bamboo and a drying tower of awl fill constitution down.

Background

At present, the existing spray drying tower is only suitable for drying liquid materials without viscosity and with low viscosity. And zein powder and high gluten corn flour have the stickness when drying process, the mode that zein powder and high gluten corn flour production adopted the powder in the hot-blast feed liquid of drawing is, constantly lead to the dry container that has hot-blast to spout atomizing zein powder or high gluten corn flour feed liquid, moisture in the atomizing feed liquid particle is taken away to the hot-blast of flow, nevertheless because zein powder and high gluten corn flour atomizing feed liquid have the stickness when drying process, and zein powder or high gluten corn flour easily attach to on the inner wall of dry container in dry dehydration process, and constantly pile up, the caking is piecemeal, the powder of bonding is very difficult to be followed in the dry container clearance output. Moreover, the bottom of the drying container is funnel-shaped, the inside forms the rotating airflow, the dry powder constantly rotates in the rotating airflow, can not be output from the discharge port in time, and the piled bonding block and the constantly rotating powder constantly reach gelatinization and even fire under the action of hot air. The prior corn protein powder and high gluten corn powder have low production rate, the production technical index is difficult to control, the product quality is difficult to ensure, and the aim of industrial production cannot be achieved.

Disclosure of Invention

The utility model aims at providing a drying tower is applicable to the feed liquid that maize protein powder and high gluten maize meal have the stickness in drying process, reaches in maize protein powder and the maize meal production drying process, does not pile up, does not gelatinize, and the output is high, has improved productivity ratio and has guaranteed product quality, satisfies the industrial production demand.

In order to achieve the above purpose, the technical scheme of the utility model is that: a drying tower comprising: the device comprises a support column, a discharge hole, a lower conical hopper, a cold air hole, a tower drum, an air suction hole, an air outlet, an elbow, a ridge plate, an upper conical hopper, a nozzle, a tower head, a spray gun pipe, a high-pressure pipe, a wind shield, an outer air chamber, an air distributor, a hot air pipe, an air distribution pipe, a spray gun hole, an inner air chamber, a vibration air hammer and an induced draft fan; the hot air drives the atomized corn protein powder or corn meal atomized feed liquid particles on the top of the tower to fall to the bottom of the drying tower, a cold air inlet is formed in the wall of the bottom of the drying tower, the tail gas of the tower is continuously led out by an induced draft fan, a negative pressure area is formed in the tower, cold air outside the tower enters the tower through the cold air inlet under the action of the pressure difference between the inside and the outside of the tower, the cold air continuously cools the dehydrated corn protein powder or corn meal in the tower, and the cold air simultaneously sweeps dry matters on the wall of the tower to prevent.

The large opening end of the lower cone hopper is fixedly installed at the top end of the support, the small opening end of the lower cone hopper is provided with a discharge port, the large opening end of the lower cone hopper is connected with a tower barrel, the upper end of the tower barrel is connected with an upper cone hopper, the upper end of the upper cone hopper is connected with a tower head, the side face of the tower head is connected with a hot air pipe, the bottom of the tower head is provided with an air distributor, three spray gun holes are uniformly distributed on the air distributor, a spray gun pipe is installed in each spray gun hole, the upper end of each spray gun pipe is connected with a high-pressure pipe, the high-pressure pipe is connected with a high-pressure material conveying pump, the lower portion of each spray gun pipe is arranged at the top of an inner cavity of the upper cone hopper, nozzles are arranged at the end of each spray gun pipe, air distribution.

The inside bottom of tower section of thick bamboo be equipped with the inlet scoop, the outside lower extreme of tower section of thick bamboo is equipped with the air outlet, the inlet scoop is connected through the elbow with the air outlet, the air outlet links to each other with the draught fan, the elbow upper end is equipped with the back plate, the back plate form the ridge on elbow upper portion, the back plate lower part welds with the elbow, the side seals the welding with a tower section of thick bamboo.

The conical wall of the large-opening end of the lower conical hopper is provided with 2-5 rows of cold air outlets, each cold air outlet is a C-shaped seam formed in the conical wall of the lower conical hopper, the shell wall in each C-shaped seam is obliquely opened towards the outer side of the corresponding conical wall, and the shell wall in each C-shaped seam is obliquely opened outwards by an opening gap L of 3-7 mm.

And the outer wall of the lower cone hopper is provided with a vibrating air hammer.

The distance between the upper end of the wind shield and the top cover of the tower head is 50 cm-100 cm.

The utility model discloses because corn gluten meal or maize flour feed liquid are through nozzle atomizing blowout, hot-blast drive corn gluten meal or maize flour atomizing feed liquid particle flow to the tower below and dry into the powder. The air outlet is connected with the fan, the fan sucks out the hot air tail gas in the tower barrel, a negative pressure region is formed in the tower barrel through the air suction opening, cold air outside the tower enters the tower through the cold air opening, powder falling on the inner wall of the lower cone hopper is continuously blown and cooled, and a low-temperature cold air region and a high-temperature hot air region in the tower barrel are formed in the lower hopper to form a dry environment with one tower and two air weathers. The opening of the cold air port is tangent to the conical wall of the lower conical hopper, so that cold air entering the lower conical hopper forms rotary air flow in the lower conical hopper, dry powder on the lower conical hopper wall moves to the center of the rotary air flow under the driving of the rotary air flow, and the dry powder is cooled by the cold air entering through the cold air port and falls to a discharge port below the tower. The back plate of elbow upper end prevents that the powder from piling up in the elbow top, and prevents to form hot-blast vortex in a tower section of thick bamboo, causes the long-time heating gelatinization of powder. The vibrating air hammer arranged on the outer wall of the lower cone hopper accelerates part of powder falling on the inner wall of the lower cone hopper to fall to a discharge port below the tower.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is an enlarged view of a-a section of fig. 2.

Fig. 4 is a sectional view B-B of fig. 3.

Fig. 5 is a partial enlarged view of F in fig. 1.

Fig. 6 is a cross-sectional view E-E of fig. 5.

Fig. 7 is a partial enlarged view of K in fig. 6.

In the figure, 1, a strut, 2, a discharge hole, 3, a lower cone hopper, 4, a cold air hole, 5, a tower barrel, 6, an air suction hole, 7, an air outlet, 8, an elbow, 9, a ridge plate, 10, an upper cone hopper, 11, a nozzle, 12, a tower head, 13, a spray gun barrel, 14, a high-pressure pipe, 15, a wind shield, 16, an outer air chamber, 17, an air distributor, 18, a hot air pipe, 20, an air distribution pipe, 21, a spray gun hole, 22, an inner air chamber, 23, a vibrating air hammer and 24, and an induced draft fan are arranged.

Detailed Description

As shown in the figure, the utility model relates to a drying tower, include: the device comprises a support 1, a discharge hole 2, a lower cone 3, a tower 5, an air suction opening 6, an air outlet 7, an elbow 8, a ridge plate 9, an upper cone 10, a nozzle 11, a tower head 12, a spray gun pipe 13, a high-pressure pipe 14, an air baffle 15, an outer air chamber 16, an air distributor 17, a hot air pipe 18, an air distribution pipe 20, a spray gun hole 21, an inner air chamber 22, a vibrating air hammer 23 and an induced draft fan 24; the big-mouth end of the lower cone hopper 3 is fixedly arranged at the top end of the pillar 1, the small-mouth end of the lower cone hopper 3 is provided with the discharge port 2, the big-mouth end of the lower cone hopper 3 is connected with the tower tube 5, the upper end of the tower tube 5 is connected with the upper cone hopper 10, the upper end of the upper cone hopper 10 is connected with the tower head 12, the outer side surface of the tower head 12 is connected with the hot air pipe 18, the tower head 12 bottom be equipped with air distributor 17, air distributor 17 is last to be provided with three spray gun hole 21 of equipartition, be equipped with spray gun pipe 13 in the spray gun hole 21, spray gun pipe 13 upper end is connected with high-pressure pipe 14, high-pressure delivery pump is connected to high-pressure pipe 14, spray gun pipe 13 lower part is at last cone 10 inner chamber top, spray gun pipe 13 lower tip is equipped with nozzle 11, equipartition is provided with air distribution pipe 20 around spray gun hole 21, air distribution pipe 20 periphery above air distributor 17 is equipped with deep bead 15, deep bead 15 separates tower head 12 inner chamber into outer plenum 16 and interior plenum 22, outer plenum 16 and interior plenum 22 communicate with each other in deep bead 15 upper end.

The inside bottom of tower section of thick bamboo 5 be equipped with inlet scoop 6, the outside lower extreme of tower section of thick bamboo 5 is equipped with air outlet 7, inlet scoop 6 links to each other through elbow 8 with air outlet 7, air outlet 7 is connected with

draught fan

24, 8 upper ends of elbow are equipped with backbone 9.

The big-opening end of the lower cone 3 is provided with 2 to 5 rows of cold air outlets 4 on the cone wall, and the outer wall of the lower cone 3 is provided with a vibration air hammer 23.

The ridge plate 9 is ridged on the upper part of the elbow 8, the lower part of the ridge plate 9 is welded with the elbow 8, and the side edge is welded with the tower tube 5 in a sealing way.

The cold wind mouth 4 be the C shape seam that opens some on the conical wall of lower conical hopper 3, the conch wall in the C shape seam is to the slope opening in the conical wall outside, the conch wall in the C shape seam inclines opening gap L to 3mm to 7mm outwards.

And a vibrating air hammer 23 is arranged on the outer wall of the lower cone 3.

The distance between the upper end of the wind shield 15 and the top cover of the tower head 12 is 50 cm-100 cm.

The utility model discloses a working process is: hot air enters an external air chamber 16 in the tower head 12 through a hot air pipe 18, and the hot air enters an internal air chamber 22 from the upper end of an air baffle 15; the high-pressure delivery pump delivers the corn protein powder feed liquid or the corn powder feed liquid to a spray gun pipe 13 through a high-pressure pipe 14, and the corn steep liquor is atomized and sprayed out through a nozzle 11; the hot-blast air of interior plenum 22 gets into upper cone hopper 10 through air distribution pipe 20, it falls to the dry powder that flows of tower below to drive atomizing corn gluten meal or maize meal atomizing feed liquid particle, air outlet 7 is connected with draught fan 24, draught fan 24 is with the tail gas suction in a tower section of thick bamboo 5, and form negative pressure zone through inlet scoop 6 in a tower section of thick bamboo 5, tower outside cold wind gets into in the tower through cold wind mouth 4, because cold wind mouth 4 opening is tangent with lower cone hopper 3 outer wall, so the cold wind that gets into lower cone hopper 3 forms rotatory air current, dry powder on the lower cone hopper 3 wall moves to the air current center under rotatory air current drives, simultaneously by the cold wind cooling of getting into through cold wind mouth 4, the discharge gate that falls to the tower below rapidly.

The ridge 9 at the upper end of the elbow 8 prevents powder from being accumulated above the elbow and prevents air vortex from being formed in the tower 5, so that the powder is heated and gelatinized for a long time in a rotating manner.

The outer wall of the lower cone hopper 3 is provided with a vibration air hammer 23 which accelerates the powder adhered to the inner wall of the lower cone hopper 3 to fall to the discharge port 2 below the tower.

Claims

1. A drying tower comprising: the device comprises a support column (1), a discharge hole (2), a lower cone hopper (3), a cold air hole (4), a tower barrel (5), an air suction opening (6), an air outlet (7), an elbow (8), a ridge plate (9), an upper cone hopper (10), a nozzle (11), a tower head (12), a spray gun pipe (13), a high-pressure pipe (14), a wind shield (15), an outer air chamber (16), an air distributor (17), a hot air pipe (18), an air distribution pipe (20), a spray gun hole (21) and an inner air chamber (22); awl fill (3) macrostoma end down is installed on pillar (1) top admittedly, and awl fill (3) osculum end is equipped with discharge gate (2) down, and awl fill (3) macrostoma end is connected with tower section of thick bamboo (5) down, and tower section of thick bamboo (5) upper end is connected with awl fill (10), goes up awl fill (10) upper end and is connected with tower head (12), and tower head (12) side is connected with hot-blast main (18), its characterized in that: the tower is characterized in that an air distributor (17) is arranged at the bottom of the tower head (12), three spray gun holes (21) are uniformly distributed on the air distributor (17), spray gun pipes (13) are installed in the spray gun holes (21), the upper ends of the spray gun pipes (13) are connected with a high-pressure pipe (14), the high-pressure pipe (14) is connected with a high-pressure delivery pump, the lower parts of the spray gun pipes (13) are arranged at the top of an inner cavity of an upper cone hopper (10), nozzles (11) are arranged at the end parts of the spray gun pipes (13), air distribution pipes (20) are uniformly distributed around the spray gun holes (21), air baffles (15) are arranged on the peripheries of the air distributor (20), the inner cavity of the tower head (12) is divided into an outer air chamber (16) and an inner air chamber (22) by the air baffles (15), and the outer air chamber (16); an air suction opening (6) is formed in the bottom end inside the tower barrel (5), an air outlet (7) is formed in the lower end outside the tower barrel (5), the air suction opening (6) is connected with the air outlet (7) through an elbow (8), the air outlet (7) is connected with an induced draft fan (24), and a ridge plate (9) is arranged at the upper end of the elbow (8); ridge-shaped plates (9) are arranged on the upper parts of the elbows (8), the lower parts of the ridge-shaped plates (9) are welded with the elbows (8), and the side edges of the ridge-shaped plates are welded with the inner walls of the tower barrels (5) in a sealing mode.

2. A dryer according to claim 1 wherein: lower cone fill (3) macrostoma end taper wall on open and to have 2 to 5 cold air vents (4) of arranging, cold air vents (4) are the C shape seam that opens some on cone fill (3) taper wall down, the conch wall in the C shape seam leans out the opening, the conch wall in the C shape seam leans out opening gap L and is 3mm to 7 mm.

3. A dryer according to claim 1 wherein: the outer wall of the lower cone hopper (3) is provided with a vibration air hammer (23).

4. A dryer according to claim 1 wherein: the distance between the upper end of the wind shield (15) and the top cover of the tower head (12) is 50 cm-100 cm.