CN208823961U - The spray drying tower of inside heating - Google Patents

The spray drying tower of inside heating Download PDF

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Publication number
CN208823961U
CN208823961U CN201821359411.XU CN201821359411U CN208823961U CN 208823961 U CN208823961 U CN 208823961U CN 201821359411 U CN201821359411 U CN 201821359411U CN 208823961 U CN208823961 U CN 208823961U
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China
Prior art keywords
drying tower
air duct
heating
heated
air
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Active
Application number
CN201821359411.XU
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Chinese (zh)
Inventor
张玉丰
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Jiaxing Jingchi Special Ceramics Co Ltd
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Jiaxing Jingchi Special Ceramics Co Ltd
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Abstract

The utility model discloses a kind of internal spray drying towers heated, including drying tower, feed pipe and heating device, the heating device includes the air duct protruded into inside drying tower, electrothermal piece is provided in the air duct, the air duct protrudes into one end in drying tower and is connected with hot-blast outlet, and air duct is located at one end outside drying tower and is connected with blower, the utility model is heated in inside, air after heating is directly entered inside drying tower, is prevented conveying thermal loss, is reduced energy consumption cost.

Description

The spray drying tower of inside heating
Technical field
The utility model belongs to spray drying tower field, more specifically to a kind of internal spray drying tower heated.
Background technique
Spray drying tower is that air is filtered and heated, and into drier headspace distributor, hot-air is in the shape of a spiral Evenly into hothouse, feed liquid is spraying at imperceptible mist through the high speed centrifugal atomization device or high-pressure atomizer at the top of tower body Shape liquid pearl can be dried in a very short period of time with air parallel flow contact as finished product.Finished product is continuously by dry tower bottom and whirlwind It is exported in separator, micronic dust material is collected by cloth bag collector, and exhaust gas is emptied by blower, and spray drying tower has rate of drying Fastly, it completes only to need the several seconds, be suitable for the features such as dry heat sensitive material and convenient operation and control.
But current air heating process is in the outside of drying tower, send through pipeline to hothouse, the longer heat of pipeline It is lost bigger;And drying tower is directly contacted with the external world, heat insulation effect is poor, when ambient temperature reduces, causes feed liquid dry sometimes Incomplete phenomenon also needs to increase the amount and temperature for entering hot-air at this time, causes more energy consumptions.
Utility model content
In view of the deficiencies of the prior art, the utility model provide it is a kind of heated in inside, the air after heating directly into Enter inside drying tower, prevent conveying thermal loss, reduces the spray drying tower of the inside heating of energy consumption cost.
To achieve the above object, the utility model provides following technical solution: a kind of internal spray drying tower heated, Including drying tower, feed pipe and heating device, the heating device includes the air duct protruded into inside drying tower, is set in the air duct It is equipped with electrothermal piece, the air duct protrudes into one end in drying tower and is connected with hot-blast outlet, and air duct is located at one end connection outside drying tower There is blower.
It further include further cyclone separator, the gas feed of the cyclone separator is connected to drying tower by pipeline Inside, the gas vent of the cyclone separator are connected with escape pipe, and the drying tower includes inner and outer wall, the inner wall and Interlayer is formed between outer wall, the escape pipe protrudes into interlayer, offers gas vent on the outer wall.
The further drying tower is integrally in inverted cone shape, and the air duct is located at the top position of drying tower, the outlet Pipe is by protruding into interlayer close to drying tower top position, and the gas vent is close to the bottom of drying tower.
The further electrothermal piece is heating wire or electric hot plate.
Compared with prior art, the utility model has the beneficial effects that by the way that air heating part is placed in drying tower Portion needs not move through conveyance conduit after air is heated and is directly entered the internally dry feed liquid of drying tower, while by cyclone separator The air of discharge carries out reuse, and the temperature that this air still has is still more more than natural air temperature eminence, makes it into drying tower Interlayer in drying tower keep the temperature, keep the temperature in drying tower not easy to lose, especially when ambient temperature is lower, effect is more Obviously, avoiding in drying tower temperature from scattering and disappearing excessively causes feed liquid dry not exclusively, and there are no need to improve air heating temperature and increasing Intake is combined by above two mode, substantially reduces energy loss, reduces production process cost consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the spray drying tower heated inside the utility model.
Appended drawing reference: 1, blower;2, drying tower;3, interlayer;4, gas vent;5, feed pipe;6, air duct;7, electric hot plate;8, Escape pipe;9, cyclone separator.
Specific embodiment
The embodiment of the spray drying tower of the utility model inside heating is described further referring to Fig.1.
A kind of internal spray drying tower heated, including drying tower 2, feed pipe 5 and heating device, the heating device packet The air duct 6 protruded into inside drying tower 2 is included, electrothermal piece is provided in the air duct 6, the air duct 6 protrudes into one end in drying tower 2 and connects It is connected to hot-blast outlet, air duct 6 is located at 2 outside one end of drying tower and is connected with blower 1.
Preferred feed pipe 5 enters drying tower 2 by side as shown in Figure 1, and the end of feed pipe 5 has atomizer by feed liquid The wind direction that air is controlled using air distributor may be selected in ejection fog-like, the hot-blast outlet on air duct 6.
Wherein electrothermal piece can be heating wire or electric hot plate 7, and heating wire or electric hot plate 7 can be heated quickly, be not necessarily to Warm, selection uses electric hot plate 7 in the present embodiment.
Feed liquid is sprayed into inside drying tower 2 by feed pipe 5, and air is delivered in air duct 6 by blower 1, is passing through electric heating Be heated when plate 7, then contact with the feed liquid of atomization it is dried by hot-blast outlet, the air after heating without with extraneous heat friendship Change process, and the heat transfer of air duct 6 is internally heated drying tower 2, rather than is lost to also inside direct contact drying tower 2 The external world causes energy loss, improves heat utilization ratio.
The present embodiment preferably further includes cyclone separator 9, and the gas feed of the cyclone separator 9 is connected by pipeline To drying tower 2, the gas vent of the cyclone separator 9 is connected with escape pipe 8, and the drying tower 2 is including inner wall and outside Wall forms interlayer 3 between the inner and outer wall, and the escape pipe 8 protrudes into interlayer 3, offers gas vent on the outer wall 4。
Air by cyclone separator 9 still has higher temperature, so that it is flow back into the folder of drying tower 2 by escape pipe 8 In layer 3, drying tower 2 can be kept the temperature, reduce the heat exchange between 2 inside of drying tower and the external world, protect drying tower 2 more Temperature guarantees drying effect.
Preferably the drying tower 2 is whole in inverted cone shape for the present embodiment, and the air duct 6 is located at the top position of drying tower 2, For the escape pipe 8 by protruding into interlayer 3 close to 2 top position of drying tower, the gas vent 4 is dried close to the bottom of drying tower 2 Journey is concentrated mainly on the top area of drying tower 2, is in inverted cone shape by 2 whole installation of drying tower, can compared to for columnar Reduce internal volume, but arid region is enough, can be more quickly while first by the air that escape pipe 8 enters interlayer 3 when preheating The arid region of first contact drying tower 2, it is preferential to guarantee that temperature herein is in higher point, and for the bottom of drying tower 2, It has been to be dried herein in powdered material, the air in interlayer 3 is flowed from above to below to gas vent 4 and is discharged, and reaches heat Measure sufficiently effective utilization.
Wherein preferred escape pipe 8 enters in interlayer 3 along the tangential direction of interlayer 3, enables hotter air in drying 2 top position run duration of tower is more long.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (4)

1. a kind of internal spray drying tower heated, including drying tower, feed pipe and heating device, it is characterised in that: described to add Thermal includes the air duct protruded into inside drying tower, and electrothermal piece is provided in the air duct, and the air duct protrudes into one in drying tower End is connected with hot-blast outlet, and air duct is located at one end outside drying tower and is connected with blower.
2. the internal spray drying tower heated according to claim 1, it is characterised in that: it further include cyclone separator, institute The gas feed for stating cyclone separator is connected to inside drying tower by pipeline, and the gas vent of the cyclone separator is connected with Escape pipe, the drying tower include inner and outer wall, and interlayer is formed between the inner and outer wall, and the escape pipe protrudes into interlayer It is interior, gas vent is offered on the outer wall.
3. the internal spray drying tower heated according to claim 2, it is characterised in that: the drying tower is integrally in back taper Shape, the air duct are located at the top position of drying tower, and the escape pipe is by protruding into interlayer, the row close to drying tower top position Stomata is close to the bottom of drying tower.
4. the spray drying tower of the heating of inside described in any one of -3 according to claim 1, it is characterised in that: the electric heating Part is heating wire or electric hot plate.
CN201821359411.XU 2018-08-22 2018-08-22 The spray drying tower of inside heating Active CN208823961U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821359411.XU CN208823961U (en) 2018-08-22 2018-08-22 The spray drying tower of inside heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821359411.XU CN208823961U (en) 2018-08-22 2018-08-22 The spray drying tower of inside heating

Publications (1)

Publication Number Publication Date
CN208823961U true CN208823961U (en) 2019-05-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821359411.XU Active CN208823961U (en) 2018-08-22 2018-08-22 The spray drying tower of inside heating

Country Status (1)

Country Link
CN (1) CN208823961U (en)

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