CN209596580U - A kind of cold and hot multi-stage alternate drying tower - Google Patents

Abstract

The utility model relates to a kind of cold and hot multi-stage alternate drying towers, including tower body, and tower body inner cavity is cylindrical, and feed inlet is equipped at the top of the tower body, and bottom is equipped with discharging device；The first venthole, the second venthole and third venthole are from top to bottom successively arranged on the tower body wall；First venthole, the second venthole, third venthole are connected to tower body inner cavity, and first venthole, the second venthole and third venthole are connected with inlet duct respectively；First venthole and third venthole are used for tower body delivered inside thermal current, and the second venthole is used for tower body delivered inside cold airflow, and the temperature of the cold airflow is lower than the temperature of the thermal current；The cold airflow for entering the thermal current of tower body through the first venthole, third venthole and entering tower body through the second venthole is mixed with the material for entering tower body through feed inlet respectively.The drying tower completes dry materials by dry, cooling, dry multi-stage alternate, and the physicochemical property of effective protection material does not change.

Description

A kind of cold and hot multi-stage alternate drying tower

Technical field

The utility model relates to dry materials technical field, in particular to a kind of cold and hot multi-stage alternate drying tower.

Background technique

China Patent Publication No. CN206430452U discloses a kind of vortex drying tower, and the drying tower is on tower body wall by upper To multilayer venthole is had, passes through venthole respectively by the gas that air heater heats and transport to inside tower body, and in tower Vortex is formed in vivo.

It is vortexed the proposition of drying tower theory, is that spray drying comes out over more than 100 years in terms of related spray drying theoretical research Great theoretical breakthrough, have subversiveness.People are thoroughly got rid of over more than 100 years in atomizer, hot air distributor, tower height and tower The thinking habit of the arduous exploration of diameter etc., has an epoch-marking significance.

It is vortexed the appearance of drying tower, viscous wall is solved to thorough, dry wind-warm syndrome is greatly lowered, increases substantially product quality And physicochemical property homogeneity, significantly reduce tower body volume and workshop occupied space, be greatly lowered energy consumption and reduce ring Border pollution etc. is many-sided to generate irreplaceable good effect.

Replace the common spray drying tower to come out more than 100 years with vortex drying tower, is the trend of the times of industry industrial upgrading.

But since certain materials are to temperature and its sensitivity, heated time is slightly long to will lead to melting or molecular structure generation The serious problems such as change occur.It cannot be dried at all with common spray drying tower, use China Patent No. Vortex drying tower shown in CN206430452U can dry but control degree-of-difficulty factor is larger.

Utility model content

In order to solve the above-mentioned technical problem the utility model, provides a kind of cold and hot multi-stage alternate drying tower.

In order to solve the above-mentioned technical problem, the technical solution of the utility model is as follows:

A kind of cold and hot multi-stage alternate drying tower, including tower body, the tower body inner cavity is cylindrical, is equipped at the top of the tower body Feed inlet, the tower body bottom are equipped with discharging device；If be from top to bottom successively arranged on the tower body wall several first ventholes, Dry second venthole and several third ventholes；Each first venthole, the second venthole, third venthole are located at same flat Face, the first venthole, the second venthole, third venthole are connected to tower body inner cavity, first venthole, the second venthole And third venthole is connected with inlet duct respectively；First venthole and third venthole are used for tower body delivered inside hot gas Stream, second venthole are used for tower body delivered inside cold airflow, and the temperature of the cold airflow is lower than the temperature of the thermal current Degree；The cold airflow for entering the thermal current of tower body through the first venthole, third venthole and entering tower body through the second venthole is distinguished It is mixed with the material for entering tower body through feed inlet.

Further, the airintake direction of the first venthole and the radial direction (R) of tower body inner cavity are in the horizontal plane in a folder Angle a, the airintake direction of the second venthole and the radial direction (R) of tower body inner cavity are in an angle b, third venthole in the horizontal plane Airintake direction and the radial direction (R) of tower body inner cavity in horizontal plane be in an angle c, the setting of angle a, angle b and angle c with It is vortexed conducive to making to be formed inside tower body；The discharging device is vortex discharging device, in favor of the holding of turbulent state.

Further, the airintake direction of second venthole and third venthole is to tower body top droop.

Further, the airintake direction of first venthole is to tower body bottom angled.

Further, the discharging device is connected with blower unit, and the blower unit is described to draw for being evacuated to outside tower body Wind apparatus and inlet duct collective effect form vortex in tower body inner cavity.

Further, the inlet duct includes that first gas uniform device, second gas uniform device and third gas are uniformly distributed Device is respectively equipped with the first air inlet, the second air inlet on first gas uniform device, second gas uniform device and third gas uniform device Mouth and third air inlet, the first gas uniform device, second gas uniform device and third gas uniform device pass through first respectively Air inlet pipe, the second air inlet pipe, third air inlet pipe are connected with the first venthole, the second venthole, third venthole, described first into Tracheae, the second air inlet pipe and third air inlet pipe are for controlling airintake direction.

Further, the first gas uniform device, second gas uniform device and third gas uniform device respectively with tower body Outer wall is fixedly connected.

Further, the feed inlet is equipped with atomizer, enters the thermal current of tower body, through the second ventilation through the first venthole Hole enter tower body cold airflow and through third venthole enter the thermal current of tower body respectively with the material that enters tower body through atomizer It mixes.

Further, in cone, the discharging device includes the discharge port of several inclination arrangements for the bottom of the tower body, The discharge port is distributed on the circular conical surface of tower body bottom.

Further, the conical lower section of the tower body bottom is equipped with protrusion.

The advantageous effects that the utility model is played are as follows:

Compared with prior art, the utility model discloses a kind of cold and hot multi-stage alternate drying tower, the drying tower is in tower The first venthole, the second venthole and third venthole, the first venthole and third venthole are from top to bottom successively arranged on wall For to tower body delivered inside thermal current, and the second venthole is used to control the temperature of cold airflow to tower body delivered inside cold airflow Degree is lower than the temperature of thermal current, completes drying process of the material inside tower body by drying, cooling down, drying multi-stage alternate, has Effect avoids material in the drying process for a long time in hot environment, and the physical and chemical properties of material is protected not become Change, the value ingredient in dried material can be protected not to be damaged to greatest extent, is conducive to improve the conjunction of product to a certain degree Lattice rate.Further, since the first venthole, the second venthole and third venthole pass through respectively the first air inlet pipe, the second air inlet pipe, Third air inlet pipe is connected with first gas uniform device, second gas uniform device and third gas uniform device, cause the first venthole, The air inflow of second venthole and third venthole, airintake direction and intake air temperature can be realized according to specific material and individually be adjusted Section, universality with higher.

Detailed description of the invention

Fig. 1 is the schematic front view of the utility model embodiment 1.

Fig. 2 is schematic cross-sectional view of the Fig. 1 along central axes.

Fig. 3 is tower body inner cavity schematic top plan view.

Appended drawing reference:

1- tower body, 11- feed inlet, 12- discharging device, 121- discharge port, the first venthole of 2-, the first air inlet pipe of 21-, 22- first gas uniform device, the first air inlet of 23-, the second venthole of 3-, the second air inlet pipe of 31-, 32- second gas uniform device, The second air inlet of 33-, 4- third venthole, 41- third air inlet pipe, 42- third gas uniform device, 43- third air inlet.

The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art, The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.

Specific embodiment

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention are more It is easily readily appreciated by one skilled in the art, to make apparent define to protection scope of the present invention.

Embodiment 1:

It is as shown in Figs. 1-3 the preferred embodiment of the utility model, a kind of cold and hot multi-stage alternate drying tower, including tower body 1, 1 inner cavity of tower body is cylindrical, and feed inlet 11 is equipped at the top of the tower body 1, and the feed inlet 11 is equipped with atomizer, is done Dry material first passes through atomizer and is dispersed into small droplet, and it is internally dry then just to enter tower body 1.1 bottom of tower body is equipped with discharging Device 12.The bottom of the tower body 1 is equipped with protrusion in cone, conical lower section.The discharging device 12 includes several inclinations The discharge port 121 of arrangement, the discharge port 121 are distributed on the circular conical surface of 1 bottom of tower body, are used to form vortex discharging device. The discharging device 12 is also connected with blower unit, and the blower unit to outside tower body 1 for being evacuated.

Several first ventholes 2, several second ventholes 3 and several are from top to bottom successively arranged on 1 wall of tower body Three ventholes 4；Each first venthole 2 is in the same plane, and each second venthole 3 is in the same plane, each third ventilation Hole 4 is in the same plane.First venthole 2, the second venthole 3, third venthole 4 are connected to 1 inner cavity of tower body, and described One venthole 2, the second venthole 3 and third venthole 4 are connected with inlet duct respectively, and the inlet duct is used for into tower body 1 Portion conveys gas, and the inlet duct and the blower unit collective effect form vortex in 1 inner cavity of tower body.Described first is logical Stomata 2 and third venthole 4 are used for 1 delivered inside thermal current of tower body, and second venthole 3 is used for defeated to 1 inside of tower body Cold airflow is sent, the temperature of the cold airflow is lower than the temperature of the thermal current.Enter tower through the first venthole 2, third venthole 4 The thermal current of body 1 and the cold airflow for entering tower body 1 through the second venthole 3 are mutually mixed with the material for entering tower body 1 through atomizer respectively It closes.

The inlet duct includes first gas uniform device 22, second gas uniform device 32 and third gas uniform device 42. First gas uniform device 22, second gas uniform device 32 and third gas uniform device 42 are fixedly connected with 1 outer wall of tower body respectively.Institute State be respectively equipped on first gas uniform device 22, second gas uniform device 32 and third gas uniform device 42 first air inlet 23, Second air inlet 33 and third air inlet 43.Wherein, the first air inlet 23 and third air inlet 43 are respectively and for conveying hot gas The air blower of stream is connected, and second air inlet 33 is connected with the air blower for transporting cold-air stream.The first gas is uniformly distributed Device 22, second gas uniform device 32 and third gas uniform device 42 pass through the first air inlet pipe 21, the second air inlet pipe 31, third respectively Air inlet pipe 41 is connected with the first venthole 2, the second venthole 3, third venthole 4.By adjusting first air inlet pipe 21, the The installation direction of two air inlet pipe 31 and third air inlet pipe 41 may be implemented to ventilate to the first venthole 2, the second venthole 3 and third The control of 4 airintake direction of hole.

The airintake direction of first venthole 2 and the radial direction (R) of 1 inner cavity of tower body are in an angle a in the horizontal plane；Second The airintake direction of venthole 3 and the radial direction (R) of 1 inner cavity of tower body are in an angle b in the horizontal plane；Third venthole 4 into The radial direction (R) of gas direction and 1 inner cavity of tower body is in an angle c in horizontal plane；The setting of angle a, angle b and angle c are with benefit It is vortexed in making to be formed inside tower body 1.Specifically, in the present embodiment, the air inlet side of second venthole 3 and third venthole 4 1 top droop of Xiang Junxiang tower body, and the airintake direction of first venthole 2 is to 1 bottom angled of tower body.The first ventilation of control The airintake direction in hole 2, the second venthole 3 and third venthole 4 makes the gas inside tower body 1 form vortex shape, not only can be with The defect that dried material glues wall is effectively solved, production efficiency is improved, it is often more important that, dried material realizes and gas It comes into full contact with, improves the uniformity of dry materials degree, conducive to the control of product quality.

In use, installing atomizer in feed inlet 11 first, material to be dried enters after being dispersed into small droplet by atomizer Tower body 1.At the same time, the thermal current that temperature is A enters first gas uniform device 22 by the first air inlet 23, then passes through first Air inlet pipe 21 and the first venthole 2 enter inside tower body 1；Temperature is that the cold airflow of B enters to the second gas by the second air inlet 33 Body uniform device 32, then passes through the second air inlet pipe 31 and the second venthole 3 enters inside tower body 1；Equally, temperature is the hot gas of C Stream enters to third gas uniform device 42 by third air inlet 43, and the thermal current in third gas uniform device 42 continues through third Air inlet pipe 41 and third venthole 4 are transmitted to inside tower body 1.Temperature A and temperature C can be the same or different, but temperature B is small In temperature A and temperature C, for suitably reducing temperature of charge.Wherein, the air inlet of the thermal current of tower body 1 is entered by the first venthole 2 Direction is to 1 bottom angled of tower body, and will drive the dried material through atomizer atomization can smoothly enter into 1 inner cavity of tower body, while real Existing preliminarily dried.And it is equal into the cold airflow of tower body 1 and by the thermal current of third venthole 4 into tower body 1 by the second venthole 3 It is converged with rotational trajectory to the lower section at the atomizer center of 1 top center of tower body, and the successively material phase with entrance 1 inner cavity of tower body It meets, carries out combination drying, realize that the profound level of material is dry.Either thermal current or cold airflow can prevent material to be dried Close to tower wall, the appearance of wall sticking phenomenon is avoided.In above-mentioned drying process, the mixture of material and air-flow can be in blower unit It under swabbing action, is formed using 1 central axis of tower body as the vortex of vortex centers, material is with vortex downlink, finally, by dry object Tower body can be discharged with vorticity by discharging device 12 under the action of blower unit in the mixture of material, thermal current and cold airflow 1。

In use, can also feed inlet 11 install other feeders, so as to the states such as particle or powder material into Row drying, the course of work are similar to embodiment 1.

Embodiment 2:

The present embodiment is similar to Example 1, further, if be additionally provided on 1 wall of the tower body several 4th ventholes and Dry 5th venthole, each 4th venthole are generally aligned in the same plane, and each 5th venthole is located at same bright face, the 4th venthole The lower section of third venthole is set, and the lower section of the 4th venthole is arranged in the 5th venthole.4th venthole and the 5th Venthole is connected to 1 inner cavity of tower body, and the 4th venthole and the 5th venthole are connected with inlet duct respectively, and the inlet duct is used In to tower body delivered inside gas, the inlet duct forms vortex with the blower unit collective effect in 1 inner cavity of tower body. Specifically, the 4th venthole is connected with the 4th even gas distribution device by the 4th air inlet pipe, and the 5th venthole passes through the 5th Air inlet pipe is connected with the 5th even gas distribution device, and the 4th even gas distribution device and the 5th even gas distribution device are respectively equipped with the 4th air inlet With the 5th air inlet.The 4th even gas distribution device is fixedly connected with the 5th even gas distribution device with 1 outer wall of tower body.

The airintake direction of 4th venthole and the radial direction (R) of 1 inner cavity of tower body are in an angle d in the horizontal plane, The airintake direction of 5th venthole and the radial direction (R) of 1 inner cavity of tower body are in an angle e, angle a, folder in the horizontal plane The setting of angle b, angle c, angle d and angle e are in favor of making to form vortex inside tower body 1.First venthole 2, third are logical Stomata 4 and the 5th venthole are used for 1 delivered inside thermal current of tower body, second venthole 3 and the 4th venthole be used for Tower body delivered inside cold airflow, the temperature of the cold airflow are lower than the temperature of thermal current.Through the first venthole 2, third venthole 4 And the 5th venthole enter tower body 1 thermal current and through the second venthole 3, third venthole enter tower body 1 cold airflow distinguish It is mixed with the material for entering tower body 1 through atomizer, the drying process of material is specifically divided into drying-cooling-drying-cooling- Dry multi-stage alternate is completed.Hot-cold-hot-cold-the heat for realizing dry materials process alternately, avoids material and is continuously in height Temperature state protects the value ingredient in dried material not to be damaged.

Cold and hot hybrid drying tower provided in this embodiment is not limited to above structure, and those skilled in the art should manage Solution, tower body wall can also from top to bottom be equipped with the venthole greater than three layers, such as five layers, seven layers, nine layers, thermal current and cold air Stream is alternately entered inside tower body by the venthole of different height respectively, makes dry materials process in alternating that is dry and cooling down It completes.

Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention Protection scope within.

Claims (10)

1. a kind of cold and hot multi-stage alternate drying tower, which is characterized in that including tower body (1), tower body (1) inner cavity is cylindrical, Feed inlet (11) are equipped at the top of the tower body (1), tower body (1) bottom is equipped with discharging device (12)；On tower body (1) wall From top to bottom it is successively arranged several first ventholes (2), several second ventholes (3) and several third ventholes (4)；Each first Venthole (2), the second venthole (3), third venthole (4) are located at same plane, the first venthole (2), the second ventilation Hole (3), third venthole (4) are connected to tower body (1) inner cavity, first venthole (2), the second venthole (3) and third Venthole (4) is connected with inlet duct respectively；First venthole (2) and third venthole (4) are used for internal defeated to tower body (1) Thermal current is sent, second venthole (3) is used for tower body (1) delivered inside cold airflow, and the temperature of the cold airflow is lower than institute State the temperature of thermal current；Enter the thermal current of tower body (1) through the first venthole (2), third venthole (4) and through the second venthole (3) cold airflow into tower body (1) is mixed with the material for entering tower body (1) through feed inlet (11) respectively.

2. a kind of cold and hot multi-stage alternate drying tower as described in claim 1, which is characterized in that the air inlet side of the first venthole (2) It is in the horizontal plane in an angle a, the airintake direction and tower body of the second venthole (3) to the radial direction (R) with tower body (1) inner cavity (1) radial direction (R) of inner cavity is in an angle b, the airintake direction of third venthole (4) and tower body (1) inner cavity in the horizontal plane Radial direction (R) in horizontal plane be in an angle c, the setting of angle a, angle b and angle c is in favor of making the internal shape of tower body (1) At vortex；The discharging device (12) is vortex discharging device, in favor of the holding of turbulent state.

3. a kind of cold and hot multi-stage alternate drying tower as claimed in claim 2, which is characterized in that second venthole (3) and the Airintake direction equal Xiang Tati (1) top droop of three ventholes (4).

4. a kind of cold and hot multi-stage alternate drying tower as claimed in claim 3, which is characterized in that first venthole (2) into Gas direction equal Xiang Tati (1) bottom angled.

5. a kind of cold and hot multi-stage alternate drying tower as described in claim 1, which is characterized in that the discharging device (12), which is connected with, draws Wind apparatus, the blower unit for being evacuated outside to tower body (1), and the blower unit and inlet duct collective effect are in tower body (1) vortex is formed in inner cavity.

6. a kind of cold and hot multi-stage alternate drying tower as described in claim any one of 1-5, which is characterized in that the inlet duct packet Include first gas uniform device (22), second gas uniform device (32) and third gas uniform device (42), first gas uniform device (22), the first air inlet (23), the second air inlet are respectively equipped on second gas uniform device (32) and third gas uniform device (42) Mouth (33) and third air inlet (43), the first gas uniform device (22), second gas uniform device (32) and third gas are equal Cloth device (42) respectively by the first air inlet pipe (21), the second air inlet pipe (31), third air inlet pipe (41) and the first venthole (2), Second venthole (3), third venthole (4) are connected, first air inlet pipe (21), the second air inlet pipe (31) and third air inlet pipe (41) for controlling airintake direction.

7. a kind of cold and hot multi-stage alternate drying tower as claimed in claim 6, which is characterized in that the first gas uniform device (22), second gas uniform device (32) and third gas uniform device (42) are fixedly connected with tower body (1) outer wall respectively.

8. a kind of cold and hot multi-stage alternate drying tower as described in claim 1, which is characterized in that the feed inlet (11) is equipped with atomization Device enters the thermal current of tower body (1) through the first venthole (2), enters the cold airflow and warp of tower body (1) through the second venthole (3) The thermal current that third venthole (4) enters tower body (1) is mixed with the material for entering tower body (1) through atomizer respectively.

9. a kind of cold and hot multi-stage alternate drying tower as described in claim 1, which is characterized in that the bottom of the tower body (1) is in circle Taper, the discharging device (12) include the discharge port (121) of several inclination arrangements, and the discharge port (121) is distributed in tower body (1) on the circular conical surface of bottom.

10. a kind of cold and hot multi-stage alternate drying tower as claimed in claim 9, which is characterized in that the circular cone of tower body (1) bottom Shape bottom is equipped with protrusion.