CN209828299U - Centrifugal spray drier suitable for instant tea processing - Google Patents

Centrifugal spray drier suitable for instant tea processing Download PDF

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Publication number
CN209828299U
CN209828299U CN201920514144.7U CN201920514144U CN209828299U CN 209828299 U CN209828299 U CN 209828299U CN 201920514144 U CN201920514144 U CN 201920514144U CN 209828299 U CN209828299 U CN 209828299U
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China
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pipe
air
gas
drying tower
fan
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Application number
CN201920514144.7U
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Chinese (zh)
Inventor
曹积强
余长琦
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Henan Xinlin Tea Industry Ltd By Share Ltd
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Henan Xinlin Tea Industry Ltd By Share Ltd
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Abstract

The utility model relates to a centrifugal spray drier suitable for processing instant tea, which comprises a fan, a drying tower, a material tank and a cyclone separator, wherein the air inlet of the drying tower is connected with a gas pipe, the feed inlet at the top of the drying tower is connected with the discharge hole of a material pump arranged at the bottom of the material tank through a feed conveying pipe, the bottom of the drying tower is connected with the cyclone separator through a discharge pipe, a cloth bag dust remover is arranged at the rear of the cyclone separator, the gas pipe is sequentially provided with the fan and a heating sleeve, and the head end of the gas pipe is provided with an air purifier; an exhaust pipe is arranged on the air outlet of the bag-type dust collector, an air return pipe is connected to the exhaust pipe, and the other end of the air return pipe is connected to a gas pipe between the air purifier and the fan. Through setting up the muffler on the blast pipe at sack cleaner rear, the other end of muffler is connected to on the gas-supply pipe between air purifier and the heating sleeve for blast pipe exhaust hot tail gas enters into the heating sleeve again and heats, has improved the utilization ratio of tail gas.

Description

Centrifugal spray drier suitable for instant tea processing
Technical Field
The utility model belongs to the technical field of instant tea centrifugal drying, particularly, relate to a centrifugal spray drier suitable for instant tea processing.
Background
Centrifugal spray drying is the most widely used process in the liquid process shaping and drying industries for drying certain liquid materials using centrifugal atomizers. Most suitable for the production of powdery, granular solid products from liquid raw materials in solution, emulsion, suspension and paste form. Spray drying is therefore a highly desirable process when the particle size distribution, residual moisture content, bulk density and particle shape of the finished product must meet precise criteria. The existing centrifugal spray dryer has the problems that hot air cannot be fully utilized, energy conservation is not facilitated, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at a centrifugal spray drier suitable for instant tea processing to solve current centrifugal spray drier and exist can not make full use of steam, be unfavorable for energy saving scheduling problem.
In order to solve the problems, the utility model provides a centrifugal spray dryer suitable for processing instant tea, which comprises a fan, a drying tower, a material tank and a cyclone separator, a gas pipe is connected on the air inlet of the drying tower, the feed inlet at the top of the drying tower is connected with the discharge port of a material pump arranged at the bottom of the material tank through a feed pipe, the gas pipe and a feed pipe are both connected with an atomizer arranged at the top of the drying tower, the bottom of the drying tower is connected with the cyclone separator through a discharge pipe, a bag-type dust collector is arranged behind the cyclone separator, the fan and a heating sleeve are sequentially arranged on the gas pipe, and an air purifier is arranged at the head end of the gas pipe; an exhaust pipe is arranged on an air outlet of the bag-type dust collector, a proportional valve is installed on the exhaust pipe, an air return pipe is connected to the proportional valve, and the other end of the air return pipe is connected to a gas pipe between the air purifier and the fan.
Furthermore, a temperature sensor is arranged in the gas transmission pipe behind the heating sleeve, and a heat insulation material is sleeved on the gas transmission pipe behind the heating sleeve.
Furthermore, the fan is a variable frequency fan, and the material pump is a variable frequency material pump.
Furthermore, the proportional valve adopts a one-inlet two-outlet design, and the air outlet proportion of the two air outlet ends can be adjusted.
The utility model has the advantages that: according to the technical scheme of the utility model, the exhaust pipe behind the bag-type dust collector is provided with the air return pipe, and the other end of the air return pipe is connected to the gas pipe between the air purifier and the heating sleeve, so that hot tail gas discharged by the exhaust pipe enters the heating sleeve again for heating, and the utilization rate of the tail gas is improved; the fan pumps the purified air and the hot tail gas into the heating sleeve again for heating, so that the working load of the heating sleeve is greatly reduced, and meanwhile, the energy-saving effect is achieved to a certain extent;
the exhaust pipe is provided with the proportional valve, and the distribution of the hot tail gas is adjusted through the proportional valve, so that the supply of the hot tail gas to the gas transmission pipeline can be ensured, and the influence on the air pressure in the bag-type dust collector and the cyclone separator can be avoided; the heat-insulating layer is arranged on the gas transmission pipe behind the heating sleeve, so that the heat loss on the gas transmission pipe can be reduced; the fan and the material pump are controlled by the frequency converter, the feeding and air inlet proportion of the atomizer can be linearly adjusted, and the atomization effect of the atomizer is guaranteed.
Drawings
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
in the figure, 1 is an air purifier, 2 is a gas pipe, 3 is a fan, 4 is a heating sleeve, 5 is a material conveying pipe, 6 is a material tank, 7 is a material pump, 8 is an atomizer, 9 is a drying tower, 10 is a material discharging pipe, 11 is a cyclone separator, 12 is a bag-type dust remover, 13 is a proportional valve, 14 is an exhaust pipe, and 15 is an air return pipe.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, a centrifugal spray dryer suitable for processing instant tea comprises a fan 3, a drying tower 9, a material tank 6 and a cyclone separator 11, wherein the drying tower 9 is a cylindrical tank body, an atomizer 8 is installed at the top of the drying tower 9, an air inlet of the drying tower 9 is connected with an air pipe 2, and specifically, one end of the air pipe 2 is connected with an air inlet of the atomizer 8 installed at the top in the drying tower 9; the feed inlet at the top of drying tower 9 is connected with the discharge gate of material pump 7 that the bottom of material jar 6 set up through conveying pipeline 5, specifically speaking, has held liquid material in the material jar 6, installs material pump 7 on the outer wall of material jar 6 bottom, and the feed inlet of material pump 7 and the inside intercommunication of material jar 6 are connected with conveying pipeline 5 on the discharge gate of material pump 7, and the other end of conveying pipeline 5 is connected on the feed inlet of atomizer 8 of installing top in drying tower 9.
The bottom of the drying tower 9 is provided with a feed opening, the feed opening at the bottom of the drying tower 9 is connected with an inlet of a cyclone separator 11 through a discharge pipe 10, a bag-type dust collector 12 is arranged behind the cyclone separator 11, an outlet of the cyclone separator 11 is communicated with an inlet of the bag-type dust collector 12 through a pipeline, and an exhaust pipe 14 is connected to an outlet of the bag-type dust collector 12.
A fan 3 and a heating sleeve 4 are sequentially arranged on the gas pipe 2, the fan 3 adopts a variable frequency fan, the heating sleeve 4 adopts an electric heating wire for heating, and an air purifier 1 is arranged at the head end of the gas pipe 2; be provided with blast pipe 14 on the gas outlet of sack cleaner 12, install proportional valve 13 on blast pipe 14, proportional valve 13 adopts one to advance two designs, and is also an inlet end of proportional valve 13, two ends of giving vent to anger, and the blast pipe that comes out from sack cleaner 12 is connected at the inlet end of proportional valve 13, and two ends of giving vent to anger of proportional valve 13, one and atmosphere intercommunication, another give vent to anger to serve and be connected with muffler 15, and the proportion of giving vent to anger of two ends of proportional valve 13 can be adjusted. One end of the air return pipe 15 is connected with one of the air outlet ends of the proportional valve 13, and the other end of the air return pipe 15 is connected with the air conveying pipe 2 between the air purifier 1 and the fan 3.
In this embodiment, install temperature sensor in the gas-supply pipe 2 in heating sleeve 4 rear, temperature sensor is used for the temperature of real-time supervision steam, and the cover is equipped with insulation material on the gas-supply pipe 2 in heating sleeve 4 rear. The fan 3 is a variable frequency fan, and the material pump 7 is a variable frequency material pump.
The utility model discloses the use does: the device comprises a heating sweet cylinder and a fan, wherein heated air is introduced into the device, the heated air reaches a set temperature, a material pump is started, the material is granulated after being mixed by an atomizer and the heated air, then solid-gas separation is carried out on the material of liquid after the material particles and the air enter a cyclone separator, the particle material is discharged from a discharge port at the lower part of the cyclone separator, residual heat gas enters a bag-type dust remover for dust removal, the residual heat gas after dust removal is partially shunted to an exhaust pipe through a proportional valve and is discharged, meanwhile, the other part of the residual heat gas enters an air return pipe through the shunt of the proportional valve, then the residual heat gas enters a heating sleeve again under the action of the fan for heating, and then the atomizer is introduced to dry the liquid material. The proportional valve can maximally shunt all the waste heat air to the return pipe, the waste heat air is fully utilized, and the working load of the heating sleeve is reduced.
The foregoing detailed description has provided for the present application and the principles and embodiments of the present application can be illustrated by specific examples, which are provided only for the purpose of facilitating understanding of the method and the core concept of the present application, and persons skilled in the art may change the embodiments and application scope according to the concept of the present application.

Claims (4)

1. The utility model provides a centrifugation spray drier suitable for instant tea processing, which comprises a blower, the drying tower, material jar and cyclone, be connected with the gas-supply pipe on the air inlet of drying tower, the feed inlet at drying tower top passes through the conveying pipeline and is connected with the discharge gate of the material pump that material tank bottoms portion set up, gas-supply pipe and conveying pipe all are connected with the atomizer that sets up at the drying tower top, drying tower bottom is connected with cyclone through the discharging pipe, the cyclone rear is provided with the sack cleaner, its characterized in that: the air delivery pipe is sequentially provided with a fan and a heating sleeve, and the head end of the air delivery pipe is provided with an air purifier; an exhaust pipe is arranged on an air outlet of the bag-type dust collector, a proportional valve is installed on the exhaust pipe, an air return pipe is connected to the proportional valve, and the other end of the air return pipe is connected to a gas pipe between the air purifier and the fan.
2. A centrifugal spray dryer suitable for instant tea processing according to claim 1, wherein: a temperature sensor is arranged in the gas transmission pipe behind the heating sleeve, and a heat insulation material is sleeved on the gas transmission pipe behind the heating sleeve.
3. A centrifugal spray dryer suitable for instant tea processing according to claim 1, wherein: the fan is a variable frequency fan, and the material pump is a variable frequency material pump.
4. A centrifugal spray dryer suitable for instant tea processing according to claim 1, wherein: the proportional valve adopts a one-inlet two-outlet design, and the air outlet proportion of the two air outlet ends can be adjusted.
CN201920514144.7U 2019-04-16 2019-04-16 Centrifugal spray drier suitable for instant tea processing Active CN209828299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920514144.7U CN209828299U (en) 2019-04-16 2019-04-16 Centrifugal spray drier suitable for instant tea processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920514144.7U CN209828299U (en) 2019-04-16 2019-04-16 Centrifugal spray drier suitable for instant tea processing

Publications (1)

Publication Number Publication Date
CN209828299U true CN209828299U (en) 2019-12-24

Family

ID=68911713

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920514144.7U Active CN209828299U (en) 2019-04-16 2019-04-16 Centrifugal spray drier suitable for instant tea processing

Country Status (1)

Country Link
CN (1) CN209828299U (en)

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