CN211051095U

CN211051095U - Water removal equipment for spray dryer

Info

Publication number: CN211051095U
Application number: CN201921963432.7U
Authority: CN
Inventors: 张黎勤; 李利民
Original assignee: Zhejiang Erle Drying Equipment Co ltd
Current assignee: Zhejiang Erle Drying Equipment Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-21
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to the technical field of spray dryer equipment, in particular to a water removal device for a spray dryer, wherein the spray dryer is provided with a water spray device, an induced draft fan is arranged between the water spray device and the spray dryer, and the water removal device is arranged at the rear end of the water spray device; the dewatering equipment comprises a cabinet body, the cabinet body comprises a base, a shell and a cabinet door, the shell is arranged on the base, the cabinet door is hinged with the shell, and the top of the shell is provided with a hanging ring; the cabinet body has last cabinet body and lower cabinet body, last cabinet body and internal portion of lower cabinet all have water trap, cabinet body bottom is equipped with the outlet pipe, tail gas passes through dewatering equipment and handles the back, further separates the moisture in the tail gas, recycles the moisture of separation.

Description

Water removal equipment for spray dryer

Technical Field

The utility model relates to a spray dryer equipment field especially relates to a dewatering equipment for spray dryer.

Background

The spray drying equipment atomizes liquid materials into fine water drops in a pressure type or centrifugal atomization mode, and simultaneously combines the fine water drops with hot air to rapidly dry the fine water drops so as to obtain a powder product.

Because the discharge temperature of tail gas is higher and contain solid particle, so need supporting water spray set, play the effect of cooling, dust removal, the water trap device generally supports at the back at water spray set, tail gas after water spray set, have the entrainment water droplet to discharge the air together, cause the water waste to the discharge port can emit white cigarette when weather is chilly, to these problems, the utility model provides a water trap for spray drier.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a dewatering equipment for a spray dryer.

The utility model adopts the technical proposal that: a water trap for spray dryer, spray dryer installs water spray set, water spray set and spray dryer between be equipped with the draught fan, because the exhaust temperature of tail gas is higher and contain solid particle, water spray set can play the effect of cooling, dust removal, tail gas after water spray set, will carry the water droplet and discharge together in the air, cause the water waste, and discharge port can emit white cigarette when weather is cold, to this problem, this design is in water spray set rear end have water trap; the dewatering equipment comprises a cabinet body, the cabinet body comprises a base, a shell and a cabinet door, the shell is arranged on the base, the cabinet door is hinged with the shell, and the top of the shell is provided with a hanging ring; the cabinet body has last cabinet body and lower cabinet body, last cabinet body and internal portion of lower cabinet all have water trap, cabinet body bottom is equipped with the outlet pipe, the tail gas passes through dewatering equipment and handles the back, further separates the moisture in the tail gas.

Preferably, the water trap is including diaphragm, guide plate and baffle, and the diaphragm is installed in the guide plate front end, the guide plate be wave structure, the guide plate has a plurality of upslope boards and lower swash plate, upslope board and lower swash plate shaping are as an organic whole, the baffle install on the guide plate, the last swash plate is convenient for tail gas operation in the guide plate with setting up of lower swash plate, gaseous passing through behind guide plate and the baffle dewatering, does not contain the entrainment water droplet basically.

Preferably, every goes up the swash plate and is formed with 90 first contained angles down between the swash plate, just the baffle all set up in the swash plate and the lower swash plate junction that deviates from first contained angle, the entrainment water droplet that is not detached is caught the collection through the same effect in next first contained angle department, and the effect is repeated like this to dewatering efficiency has been improved greatly.

Preferably, the upper inclined plate and the lower inclined plate are provided with drain holes, and separated water drops automatically drop to the bottom of the cabinet body through the drain holes under the action of gravity.

Preferably, the baffle is including overhead gage and mounting panel, overhead gage and mounting panel shaping are as an organic whole, are formed with 110 second contained angle between overhead gage and the mounting panel, the mounting panel be fixed in down on the swash plate, be formed with 20 third contained angle between overhead gage and the overhead gage, when the gas that has the entrainment water droplet in the tail gas flows through dewatering equipment with the certain speed, thereby because gaseous inertia striking effect, thereby the entrainment water droplet is collided mutually with the baffle and is gathered on the baffle, baffle greatly increased the chance that the entrainment water droplet was caught on the baffle on the third contained angle, the water droplet is collected in third contained angle department, be convenient for from the guide plate on the surface by separating.

Preferably, the bottom of the cabinet body is provided with a water collecting hopper which is funnel-shaped, the upper end of the water collecting hopper is fixedly connected with the inner side wall of the cabinet body, the bottom of the water collecting hopper is provided with a water outlet, and the water outlet pipe is connected with the water collecting hopper.

Preferably, a sealing gasket is arranged between the water collecting hopper and the water outlet pipe.

To sum up, the utility model discloses beneficial effect does:

1. the baffle all set up in deviating from the upper inclined plate and the lower inclined plate junction of first contained angle, when having the gas of entrainment water droplet to flow through the guide plate with certain speed in tail gas, because the inertial impact effect of gas, the water droplet of entrainment water droplet and guide plate and baffle collide each other and the water droplet of gathering is big when its self gravity that produces surpasss the resultant force of the rising force of gas and liquid surface tension, the water droplet just is separated from the guide plate on the surface.

2. The corrugated structure and the corner baffle of the guide plate in the dewatering equipment greatly increase the trapping opportunity of the entrained water drops, and the entrained water drops which are not removed are trapped through the same action at the first included angle and the third included angle, so that the dewatering efficiency is greatly improved.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is apparent that other drawings are obtained from the drawings.

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

FIG. 2 is a schematic view of the overall structure of the water collecting bucket of the present invention;

FIG. 3 is a schematic view of the overall water removing device of the present invention;

FIG. 4 is a schematic view of a deflector in the water removal device of the present invention;

fig. 5 is an enlarged view of a portion of the baffle of fig. 4.

The labels in the figure are: the cabinet comprises a cabinet body 1, a shell 2, a cabinet door 3, a base 4, a hanging ring 5, a water outlet pipe 6, a transverse plate 7, a guide plate 8, a baffle plate 9, an upper inclined plate 10, a lower inclined plate 11, a water discharging hole 16, an upper baffle plate 17, a mounting plate 18, a water collecting hopper 19 and a sealing gasket 20.

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. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

As shown in fig. 1 to 5, in the water removing apparatus for a spray dryer, since the exhaust gas has a high exhaust temperature and contains solid particles, the spray dryer having the effects of cooling and removing dust is provided with a water spraying device, the water spraying device in the design has the same structure and function as the water spraying device in the market, and belongs to the existing design, which is not described herein; the water spraying device is characterized in that an induced draft fan is arranged between the water spraying device and the spray dryer, tail gas discharged by the spray dryer is mainly guided to the water spraying device through the induced draft fan, the tail gas is discharged to the air together with entrained water drops after passing through the water spraying device, so that water resource waste is caused, and white smoke is emitted from a discharge port in cold weather; the dewatering equipment comprises a cabinet body 1, the cabinet body 1 comprises a base 4, a shell 2 and a cabinet door 3, the shell 2 is arranged on the base 4, the cabinet door 3 is hinged with the shell 2, the cabinet door 3 is mainly convenient for workers to maintain, a hanging ring 5 is arranged at the top of the shell 2, and the hanging ring 5 is arranged to further enable the cabinet body 1 to be adjusted to a required height according to the surrounding environment; the cabinet body 1 is provided with an upper cabinet body and a lower cabinet body, the upper cabinet body and the lower cabinet body are both internally provided with a dewatering device 21, the bottom of the cabinet body 1 is provided with a water outlet pipe 6, the bottom of the cabinet body 1 is provided with a water collecting hopper 19, the water collecting hopper 19 is funnel-shaped, the upper end of the water collecting hopper 19 is fixedly connected to the inner side wall of the cabinet body 1 through threads, the bottom of the water collecting hopper 19 is provided with a water outlet, and the water outlet pipe 6 is connected with the water collecting hopper; a sealing gasket 20 is arranged between the water collecting hopper 19 and the water outlet pipe 6, so that the sealing performance of the water outlet position is further improved.

The water removal device 21 comprises a transverse plate 7, a guide plate 8 and a baffle plate 9, wherein the transverse plate 7 is arranged at the front end of the guide plate 8, the transverse plate 7 is used for leading in tail gas, the guide plate 8 is of a waveform structure, the guide plate 8 is provided with a plurality of upper inclined plates 10 and lower inclined plates 11, the upper inclined plates 10 and the lower inclined plates 11 are integrally formed, the water removal device is mainly designed in such a way that the upper inclined plates 10 are connected with the lower inclined plates 11, the lower inclined plates 11 are connected with the upper inclined plates 10, the upper inclined plates 10 and the lower inclined plates 11 are repeatedly connected to form the guide plate 8, a first included angle of 90 degrees is formed between each upper inclined plate 10 and each lower inclined plate 11, and the formed first included angle is obtained through multiple experiments, so that water drops are conveniently collected, and entrained water drops which are not removed are captured at the next first included angle under the same action, so that the repeated action is realized, and the water removal; the upper inclined plate 10 and the lower inclined plate 11 are both provided with drain holes 16, and the separated water drops automatically drop to the bottom of the cabinet body 1 through the drain holes 16 under the action of gravity; the arrangement of the upper inclined plate 10 and the lower inclined plate 11 is convenient for tail gas to run in the guide plate 8, and after the water of the gas is removed through the guide plate 8 and the baffle 9, the gas basically does not contain entrained water drops;

baffle 9 all sets up in the last swash plate 10 that deviates from first contained angle and 11 junctions of down swash plate, and baffle 9 is as an organic whole including last baffle 17 and mounting panel 18, last baffle 17 and mounting panel 18 shaping, is formed with 110 second contained angle between last baffle 17 and the mounting panel 18, mounting panel 18 be fixed in down swash plate 11 on, be formed with 20 third contained angle between last baffle 17 and the last swash plate 10, the second contained angle that forms and third contained angle also all are arrived through many times of experiments, are convenient for like this block, the entrapment water droplet.

The working mode is as follows: when the gas with entrained water drops in the tail gas flows through the guide plate 8 at a certain speed, due to the inertia impact effect of the gas, the entrained water drops collide with the baffle plate 9 and are gathered on the third included angle between the upper baffle plate 17 and the upper inclined plate 10 and the first included angle between the upper inclined plate 10 and the lower inclined plate 11, and the water drops fall off from the guide plate 8 and are finally discharged through the drain pipe.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims

1. A water trap for spray dryer, spray dryer install water spray set, water spray set and spray dryer between be equipped with draught fan, its characterized in that: the rear end of the water spraying device is provided with a water removing device; the water removing equipment comprises a cabinet body (1), wherein the cabinet body (1) comprises a base (4), a shell (2) and a cabinet door (3), the shell (2) is arranged on the base (4), the cabinet door (3) is hinged to the shell (2), and the top of the shell (2) is provided with a hanging ring (5); the cabinet body (1) is provided with an upper cabinet body (1) and a lower cabinet body (1), the upper cabinet body (1) and the lower cabinet body (1) are internally provided with a dewatering device, and the bottom of the cabinet body (1) is provided with a water outlet pipe (6).

2. The water removal apparatus for a spray dryer of claim 1, wherein: dewatering device (21) is including diaphragm (7), guide plate (8) and baffle (9), and install in guide plate (8) front end diaphragm (7), guide plate (8) be the wave structure, guide plate (8) have a plurality of upper inclined plate (10) and lower swash plate (11), upper inclined plate (10) and lower swash plate (11) shaping are as an organic whole, baffle (9) install on guide plate (8).

3. The water removing apparatus for a spray dryer according to claim 2, wherein: every goes up swash plate (10) and is formed with 90 first contained angle down between swash plate (11), just baffle (9) all set up in the last swash plate (10) that deviates from first contained angle and down swash plate (11) junction.

4. The water removal apparatus for a spray dryer of claim 3, wherein: the upper inclined plate (10) and the lower inclined plate (11) are both provided with drain holes (16).

5. The water removal apparatus for a spray dryer of claim 3, wherein: baffle (9) are including overhead gage (17) and mounting panel (18), and overhead gage (17) and mounting panel (18) shaping are as an organic whole, are formed with 110 second contained angles between overhead gage (17) and mounting panel (18), mounting panel (18) be fixed in down on swash plate (11), be formed with 20 third contained angles between overhead gage (17) and overhead gage (10).

6. The water removal apparatus for a spray dryer of claim 1, wherein: the water collecting hopper (19) is arranged at the bottom of the cabinet body (1), the water collecting hopper (19) is of a funnel shape, the upper end of the water collecting hopper (19) is fixedly connected with the inner side wall of the cabinet body (1), a water outlet is formed in the bottom of the water collecting hopper (19), and the water outlet pipe (6) is connected with the water collecting hopper (19).

7. The water removal apparatus for a spray dryer of claim 6, wherein: a sealing washer (20) is arranged between the water collecting hopper (19) and the water outlet pipe (6).