CN207532812U - A kind of spray dryer of uniform drying - Google Patents

A kind of spray dryer of uniform drying Download PDF

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Publication number
CN207532812U
CN207532812U CN201721361783.1U CN201721361783U CN207532812U CN 207532812 U CN207532812 U CN 207532812U CN 201721361783 U CN201721361783 U CN 201721361783U CN 207532812 U CN207532812 U CN 207532812U
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drying tower
drying
hot
tower
spray dryer
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CN201721361783.1U
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向群
赵吉顺
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Shanghai Fobao Peacock Flavors Co
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Shanghai Fobao Peacock Flavors Co
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Abstract

The utility model is related to spray dryer fields, disclose a kind of spray dryer of uniform drying, including the drying tower that bottom is taper, a shell is arranged with outside the side wall of drying tower, the side wall of shell and drying tower forms a closed ventilation cavity, the air inlet for being connected with external hot air source is offered on shell, the side wall of drying tower offers multiple hot-air channels and forms hot wind inlet in the inside sidewalls of drying tower, the axial direction of hot-air channel deviates the axis setting of drying tower, and multiple hot-air channels are symmetrical arranged along the axis centre of drying tower;Hot wind inlet is opened up by the side wall for being arranged on drying tower, hot wind bias enters in drying tower, and feed liquid is driven to decline and be dried in drying tower inside spin, increases drying path and the drying time of feed liquid, it is dry more thoroughly with uniformly, production efficiency height.

Description

A kind of spray dryer of uniform drying
Technical field
The utility model is related to spray dryer field, more specifically, it relates to a kind of spray drying of uniform drying Machine.
Background technology
Spray dryer is a kind of device that can be completed drying simultaneously and be granulated.Feed liquid can be adjusted by technological requirement The pressure of pump, flow, spray orifice size, obtain the required spheric granules that ratio is sized.Spray dryer can be used In liquid, suspension and the viscous liquid of some dry thermal sensitivity, it is also used for dry essence, fuel, intermediate, soap powder and nothing Machine salt etc..
Such as the drying machine with centrifugal spray that the Chinese patent that patent announcement number is CN202666435U proposes, including drying tower, Hot wind inlet, air distributor and centrifugal atomizer are equipped at the top of drying tower, centrifugal atomizer top is equipped with liquor inlet, dry Material outlet is equipped with below tower, air hose is equipped in drying tower, air hose is equipped with nozzle, and air hose subtracts with dry tower bottom Fast machine connection;Idler wheel is installed on air hose.
But in actual production, feed liquid enters at the top of drying tower, from the lower section of drying tower under the action of hot wind Outlet is left, and feed liquid dried time in drying tower is short, and feed liquid uneven drying is incomplete, leads to low production efficiency.
Utility model content
For feed liquid in practice, the dried time is short in drying tower, and feed liquid uneven drying is incomplete, causes This problem of low production efficiency, the purpose of this utility model is that proposing a kind of spray dryer of uniform drying, concrete scheme It is as follows:
A kind of spray dryer of uniform drying, including the drying tower that bottom is taper, the side wall housing of the drying tower Equipped with a shell, the side wall of the shell and the drying tower forms closed ventilation cavity, offers and is used on the shell The air inlet connected with external hot air source, the side wall of the drying tower offer multiple hot-air channels and in the drying tower Inside sidewalls form hot wind inlet, and the axial direction of the hot-air channel deviates the axis setting of the drying tower, multiple heat Wind channel is symmetrical arranged along the axis centre of the drying tower.
Through the above technical solutions, when drying machine works, hot wind enters ventilation cavity from air inlet, and from drying tower side Hot-air channel on wall enters inside drying tower, and hot wind contacts with feed liquid and steams feed liquid surface moisture within the extremely short time Hair, feed liquid are dried to finished product, and finished product is fallen under gravity to bottom of towe.The axial direction of hot-air channel deviates the axis of drying tower Line is set so that the hot wind into drying tower is moved in drying tower inside spin, and feed liquid is driven to go forward side by side in the decline of drying tower inside spin Row drying, increases drying path and the drying time of feed liquid, it is dry more thoroughly with uniformly, production efficiency is high.Multiple hot winds into The axis centre of opening's edge drying tower is symmetrical arranged so that hot wind drives feed liquid stress balance, and the circularity of screw is high, keeps away simultaneously Exempt from feed liquid and attach inside sidewalls in drying tower.
Hot wind inlet is arranged on the inside sidewalls of drying tower, is blown off when feed liquid will be close, avoids feed liquid Adherency, also avoid feed liquid be adhered to after the side wall of drying tower it is burnt or rotten at high temperature, influence product quality, improve production The production efficiency of product.
Further, the dry tower bottom that is axially facing of the hot-air channel is set.
Through the above technical solutions, the density of hot wind be less than cold wind density, can move bottom-up, increase feed liquid with The convection current of hot wind with contact, be further dried feed liquid, the drying of feed liquid more completely with uniformly.
Further, being axially facing at the top of the drying tower for the hot-air channel is set.
Through the above technical solutions, hot wind enters drying tower obliquely, feed liquid is blown up, increases the drying road of feed liquid Diameter and drying time, it is dry more thoroughly with uniformly, production efficiency is high.
At the same time it can also avoid dispelling the finished product for reaching dry tower bottom in drying tower, finished product is avoided excessively to be done It is dry, the humidity of finished product is kept to be in required range, the drying of drying machine is more uniform, and drying efficiency is high.
Further, multiple hot-air channels the drying tower inside sidewalls formed hot wind inlet in the shape of a spiral Setting.
Through the above technical solutions, spiral hot wind inlet causes the entrance of hot wind spatially shape Spiral distribution, heat The entrance of wind is more uniform, and the circularity higher that hot wind and feed liquid spiral can be driven to dry, drying effect is more preferable, while can be with Preferably feed liquid is avoided to attach.
Further, the axial direction of multiple hot-air channels along the drying tower is in multiple rows of and center symmetric setting.
Through the above technical solutions, plurality of rows of hot-air channel so that the air inlet of drying tower is in good order, the drying of drying tower Effect is good.
Further, the distance between adjacent described hot-air channel is gradually reduced towards the direction at the top of the drying tower.
Through the above technical solutions, the hot-air channel spacing close to dry tower bottom is big, avoid reaching dry tower bottom Finished product is blown afloat and is scattered in drying tower.Hot-air channel spacing at the top of drying tower is small so that at the top of drying tower Cross-ventilation strengthen, feed liquid can be dried preferably, the drying of drying machine more completely with uniformly.
Further, the axial direction of the hot-air channel and the angle of the axis of the drying tower are 5 °~80 °.
Through the above technical solutions, avoid the angle of the axial direction of hot-air channel and the axis of drying tower too small or too small, nothing Method forms cross-ventilation well, influences the drying efficiency of drying tower.
Further, the air inlet is located at outer casing bottom setting.
Through the above technical solutions, air inlet is in the bottom of shell so that after hot wind enters drying tower, close to drying tower bottom The air themperature in portion is higher than the air themperature at the top of drying tower, and hot-air moves upwards, and cold air moves downward, and increases dry Dry tower inner air convection, and then increase the speed air flow on feed liquid surface, feed liquid rate of drying is accelerated, and feed liquid drying is more equal It is even.
Further, the shell is provided with the heat preservation sandwich layer made of heat preservation material.
Through the above technical solutions, shell is provided with heat preservation sandwich layer, heat is avoided to be diffused into air by shell, more Heat can retain and into drying tower, increase the drying efficiency of drying tower.
Further, the heat preservation sandwich layer is honeycomb.
Through the above technical solutions, the heat preservation sandwich layer heat insulation effect of honeycomb is more preferable, it is further reduced heat and scatters and disappears, heat Utilization rate it is high, production efficiency is high.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1)Hot wind inlet is opened up by the side wall for being arranged on drying tower, hot wind bias enters in drying tower, and feed liquid is driven to exist Drying tower inside spin declines and is dried, and increases drying path and the drying time of feed liquid, dries more thoroughly with uniformly, giving birth to It produces efficient;
(2)By the way that multiple hot wind inlets is set to be symmetrical arranged along the axis centre of drying tower so that hot wind drive feed liquid by Dynamic balance, the circularity of screw is high, while feed liquid is avoided to attach the inside sidewalls in drying tower;
(3)By the way that hot wind inlet is set to be located at the inside sidewalls of drying tower, blown off when feed liquid will be close, The adherency of feed liquid is avoided, feed liquid is also avoided to be adhered to burnt or rotten at high temperature, influence product matter after the side wall of drying tower Amount improves the production efficiency of product.
Description of the drawings
Fig. 1 is the overall schematic of the spray dryer of uniform drying;
Fig. 2 is the diagrammatic cross-section of line A-A in Fig. 1(Embodiment one);
Fig. 3 is the diagrammatic cross-section of line B-B in Fig. 1(Embodiment one);
Fig. 4 is the diagrammatic cross-section of line A-A in Fig. 1(Embodiment two).
Reference numeral:1st, drying tower;11st, liquor inlet;12nd, nozzle;13rd, discharge port;14th, outlet valve;15th, air outlet; 2nd, shell;3rd, ventilation cavity;4th, air inlet;5th, hot-air channel;6th, hot wind inlet;7th, heat preservation sandwich layer.
Specific embodiment
With reference to embodiment and attached drawing, the utility model is described in further detail, but the implementation of the utility model Mode is not limited only to this.
The concept of every directionality for being related to upper, lower, left, right, front and rear or directionality is in the following description For the location of the figure described state, thus it cannot be understood as to technical solution provided by the invention Be particularly limited to.
Embodiment one
As depicted in figs. 1 and 2, a kind of spray dryer of uniform drying, including drying tower 1.The top of drying tower 1 opens up There is liquor inlet 11, be provided with and communicated with nozzle 12 at liquor inlet 11, nozzle 12 is connected with external feed liquid source, for drying Spraying feed liquid in tower 1.The tapered setting in bottom of drying tower 1, and conical lower portion is provided with discharge port 13, it is set at discharge port 13 Outlet valve 14 is equipped with, for opening and closing discharge port 13, carries out storing or discharging.It is offered out in the taper downside wall of drying tower 1 Air port 15, for being connected with external cyclone separator air-introduced machine.
As shown in Fig. 2, being coaxially arranged with a shell 2 outside the side wall of drying tower 1, shell 2 forms one with 1 side wall of drying tower Closed ventilation cavity 3,2 bottom of shell offer air inlet 4, and air inlet 4 is connected with external hot air source, the side of drying tower 1 Wall offers multiple hot-air channels 5, and multiple hot-air channels 5 form hot wind inlet 6 in the inside sidewalls of drying tower 1, hot wind from into Air port 4 enters ventilation cavity 3, and enters inside drying tower 1 from the hot-air channel 5 on 1 side wall of drying tower, and hot wind is contacted with feed liquid And evaporate feed liquid surface moisture within the extremely short time, feed liquid is dried to finished product, and finished product is fallen under gravity to tower Bottom.Air inlet 4 is in the bottom of shell 2 so that after hot wind enters drying tower 1, the air themperature close to 1 bottom of drying tower, which is higher than, to be leaned on The air themperature at nearly 1 top of drying tower, hot-air move upwards, and cold air moves downward, and increases by 1 inner air convection of drying tower, And then increasing the speed air flow on feed liquid surface, feed liquid rate of drying is accelerated, and feed liquid drying is more uniform.
As shown in figure 3, the axial direction of hot-air channel 5 deviates the axis setting of drying tower 1 so that into the heat of drying tower 1 Wind is moved in 1 inside spin of drying tower, and multiple hot-air channels 5 are symmetrical arranged along the axis centre of drying tower 1 so that hot wind drives material Liquid stress balance, hot wind drive feed liquid to decline and be dried in 1 inside spin of drying tower, increase drying path and the drying of feed liquid Time, it is dry more thoroughly with uniformly, production efficiency is high.
The density of hot wind is less than the density of cold wind, and hot-air channel 5 is axially facing the setting of 1 bottom of drying tower, and hot wind can be from Bottom moves upwards, and increases the convection current of feed liquid and hot wind and contacts, and is further dried feed liquid, the drying of feed liquid more completely with It is even.
Along the axial direction of drying tower 1 in multiple rows of and center symmetric setting, plurality of rows of hot-air channel 5 causes multiple hot-air channels 5 The air inlet of drying tower 1 is in good order, and the drying effect of drying tower 1 is good.
As shown in Fig. 2, the direction at the distance between adjacent hot-air channel 5 towards 1 top of drying tower is gradually reduced, close to dry 5 spacing of hot-air channel of 1 bottom of tower is big, and the finished product for reaching 1 bottom of drying tower is avoided to be blown afloat and be scattered in drying tower 1.It leans on 5 spacing of hot-air channel at nearly 1 top of drying tower is small so that the cross-ventilation close to 1 top of drying tower is strengthened, and feed liquid can be more preferable Dried, the drying of drying machine more completely with uniformly.
Preferably, the axial direction of hot-air channel 5 and the angle of the axis of drying tower 1 are 5 °~80 °, avoid hot-air channel 5 It is axial too small or too small with the angle of the axis of drying tower 1, it can be very good to form cross-ventilation, increase the drying of drying tower 1 Efficiency.
As shown in Fig. 2, shell 2 is provided with the heat preservation sandwich layer 7 made of heat preservation material, particularly, heat preservation sandwich layer 7 is heat preservation The good honeycomb of effect, avoids heat from being diffused into air by shell 2, and more heats can retain and enter drying tower 1, it reduces heat and scatters and disappears, hot utilization rate is high, increases the drying efficiency of drying tower 1.
The working principle and beneficial effect of the present embodiment one is:
When drying machine works, hot wind enters ventilation cavity 3 from the air inlet 4 of 2 bottom of shell, and from 1 side wall of drying tower On hot-air channel 5 enter drying tower 1 inside, hot wind contacts with feed liquid and steams feed liquid surface moisture within the extremely short time Hair, feed liquid are dried to finished product, and finished product is fallen under gravity to bottom of towe.
The axial direction of hot-air channel 5 deviate drying tower 1 axis setting so that into drying tower 1 hot wind in drying tower 1 Inside spin moves, and feed liquid is driven to decline and be dried in 1 inside spin of drying tower, when increasing the drying path of feed liquid with drying Between, it is dry more thoroughly with uniformly, production efficiency is high.Multiple hot wind inlets 6 are symmetrical arranged along the axis centre of drying tower 1, are made It obtains hot wind and drives feed liquid stress balance, the circularity of screw is high, while feed liquid is avoided to attach the inside sidewalls in drying tower 1.
Hot-air channel 5 is axially facing the setting of 1 bottom of drying tower, and hot wind moves upwards, and cold wind moves downward, and increases drying 1 inner air convection of tower, the drying of feed liquid more quickly with uniformly.
Hot wind inlet 6 is arranged on the inside sidewalls of drying tower 1, is blown off when feed liquid will be close, avoids expecting The adherency of liquid also avoids feed liquid from being adhered to burnt or rotten at high temperature, influence product quality after the side wall of drying tower 1, carries The production efficiency of high product.
Embodiment two
As shown in figure 4, a kind of spray dryer of uniform drying, with embodiment one difference lies in, in order to hot wind into Enter more uniformly, multiple hot-air channels 5 are set in the shape of a spiral in the hot wind inlet 6 that the inside sidewalls of drying tower 1 are formed.Hot wind is stood The screw type circularity higher for entering in drying tower 1, driving the drying of feed liquid spiral of body, drying effect is more preferable, while can be more preferable Feed liquid is avoided to attach.
1 top of drying tower that is axially facing of hot-air channel 5 is set, and hot wind enters drying tower 1 obliquely, and feed liquid is blown upwards Send, increase drying path and the drying time of feed liquid, it is dry more thoroughly with uniformly, production efficiency is high.
The working principle and beneficial effect of the present embodiment two is:
Hot wind enters from 6 stereo spiral formula of hot wind inlet in drying tower 1, and the entrance of hot wind is more uniform, and hot wind drives material The circularity higher of liquid spiral drying, drying effect are more preferable.Hot wind enters drying tower 1 obliquely, and feed liquid is blown up, and increases material The drying path of liquid and drying time, it is dry more thoroughly with uniformly, it is thus also avoided that the finished product for reaching 1 bottom of drying tower is dispelled It in drying tower 1, avoids finished product over-drying, the humidity of finished product is kept to be in required range, the drying of drying machine is more equal Even, drying efficiency is high.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of spray dryer of uniform drying, including the drying tower (1) that bottom is taper, which is characterized in that the drying It is arranged with a shell (2) outside the side wall of tower (1), it is empty that the side wall of the shell (2) and the drying tower (1) forms closed ventilation Chamber (3) offers the air inlet (4) for being connected with external hot air source, the side of the drying tower (1) on the shell (2) Wall offers multiple hot-air channels (5) and forms hot wind inlet (6) in the inside sidewalls of the drying tower (1), and the hot wind leads to The axial direction in road (5) deviates the axis setting of the drying tower (1), and multiple hot-air channels (5) are along the drying tower (1) Axis centre is symmetrical arranged.
2. the spray dryer of uniform drying according to claim 1, which is characterized in that the axis of the hot-air channel (5) It is set to towards the drying tower (1) bottom.
3. the spray dryer of uniform drying according to claim 1, which is characterized in that the axis of the hot-air channel (5) It is set to towards the drying tower (1) top.
4. the spray dryer of uniform drying according to claim 1, which is characterized in that multiple hot-air channels (5) It is set in the shape of a spiral in the hot wind inlet (6) that the inside sidewalls of the drying tower (1) are formed.
5. the spray dryer of uniform drying according to claim 1, which is characterized in that multiple hot-air channels (5) Axial direction along the drying tower (1) is in multiple rows of and center symmetric setting.
6. the spray dryer of uniform drying according to claim 1, which is characterized in that the adjacent hot-air channel (5) The distance between be gradually reduced towards the direction at the top of the drying tower (1).
7. the spray dryer of uniform drying according to claim 1, which is characterized in that the air inlet (4) is positioned at institute State the setting of shell (2) bottom.
8. the spray dryer of the uniform drying according to any one in claim 1~7, which is characterized in that the heat The axial direction of wind channel (5) and the angle of the axis of the drying tower (1) are 5 °~80 °.
9. the spray dryer of uniform drying according to claim 1, which is characterized in that the shell (2) be provided with by Keep the temperature heat preservation sandwich layer (7) made of material.
10. the spray dryer of uniform drying according to claim 9, which is characterized in that the heat preservation sandwich layer (7) is bee Nest structure.
CN201721361783.1U 2017-10-21 2017-10-21 A kind of spray dryer of uniform drying Active CN207532812U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112146357A (en) * 2020-10-23 2020-12-29 合肥今越制药有限公司 Spray drying device and method for Relinqing tablets
CN112645289A (en) * 2020-12-24 2021-04-13 中冶南方工程技术有限公司 Preparation device and preparation method of metal oxide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112146357A (en) * 2020-10-23 2020-12-29 合肥今越制药有限公司 Spray drying device and method for Relinqing tablets
CN112645289A (en) * 2020-12-24 2021-04-13 中冶南方工程技术有限公司 Preparation device and preparation method of metal oxide

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