CN207515481U - A kind of spray drying tower hot air heating system - Google Patents

A kind of spray drying tower hot air heating system Download PDF

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Publication number
CN207515481U
CN207515481U CN201721607766.1U CN201721607766U CN207515481U CN 207515481 U CN207515481 U CN 207515481U CN 201721607766 U CN201721607766 U CN 201721607766U CN 207515481 U CN207515481 U CN 207515481U
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China
Prior art keywords
heat exchanger
spray drying
wind turbine
drying tower
air
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Active
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CN201721607766.1U
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Chinese (zh)
Inventor
毛志军
程丽娟
黄军平
谢园园
杨维涛
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Gansu Dunhuang Seed Fruit & Vegetable Products Co Ltd
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Gansu Dunhuang Seed Fruit & Vegetable Products Co Ltd
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Abstract

The utility model discloses a kind of spray drying tower hot air heating systems, including spray drying tower, first-class heat exchanger, secondary heat exchanger, the inlet scoop of wind turbine A is communicated with the Nature, air outlet is connect with the cold air inlet being set at the top of the shell side of the spray drying tower, and wind turbine B is connected at the air port of the shell side bottom;The inlet scoop of wind turbine C is communicated with the Nature, air outlet and be connected to wind turbine B air outlets pipeline connect after, import with the first-class heat exchanger is connect, the outlet of the first-class heat exchanger is connected with the import of the secondary heat exchanger, and the outlet of the secondary heat exchanger is connect with positioned at the hot wind inlet of the spray drying top of tower.The utility model can effectively improve heat utilization ratio, reduce the consumption of air heating energy source, the usage amount for often producing 1 ton of product fire coal is reduced to 3.5 tons by 5 tons original of consumption, and under with equal heat transfer boundary condition, the temperature of obtained hot-air is higher by 3-5 DEG C than the prior art.

Description

A kind of spray drying tower hot air heating system
Technical field
The utility model is related to drying equipment heat circulating system field, specifically a kind of spray drying tower Hot-blast Heating system System.
Background technology
Spray drying tower is widely used in biological pesticide due to its excellent drying efficiency, medicine, food microorganisms etc. Industry.In the spray drying tower, air is filtered and heats, and into drier headspace distributor, hot-air is in the shape of a spiral Evenly into hothouse, feed liquid sprays into imperceptible mist through high speed centrifugal atomization device or high-pressure atomizer at the top of tower body Shape liquid pearl can be dried within the extremely short time with air current contacting as finished product, and finished product is continuously by dry tower bottom and whirlwind It is exported in separator, micronic dust material is collected by pulse bag collector.However, in existing production process, lack and tail gas is returned It receives and utilizes, cause the lost waste of heat.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of spray drying tower hot air heating systems.
In order to solve the above technical problems, a kind of spray drying tower hot air heating system described in the utility model, including wind Machine A, spray drying tower, wind turbine B, wind turbine C, first-class heat exchanger and secondary heat exchanger, inlet scoop and the Nature phase of the wind turbine A Logical, air outlet is connect with the cold air inlet being set at the top of the shell side of the spray drying tower, at the air port of the shell side bottom It is connected with the wind turbine B;The inlet scoop of the wind turbine C is communicated with the Nature, and air outlet is with being connected to the wind turbine B air outlets Pipeline connect after, the import with the first-class heat exchanger connect, the first-class heat exchanger outlet and the secondary heat exchanger into Mouth is connected, and the outlet of the secondary heat exchanger is connect with positioned at the hot wind inlet of the spray drying top of tower;The level-one is changed Include several heat-exchanging components in hot device, secondary heat exchanger.
Further, the inlet scoop of the wind turbine A, wind turbine C are equipped with dust-proof purifying device.
Further, being included at least in the first-class heat exchanger has heat-exchanging component described in three groups.
Further, being included at least in the first-class heat exchanger has heat-exchanging component described in 12 groups.
Further, the dust-proof purifying device is cotton.
The utility model has the following advantages compared with prior art:
(1)Cold wind in nature is sucked and is sent in the shell side of spray drying tower by the utility model, by hot wind blowing Mist drying tower top entry be sent into tower in, spray drying tower during the work time, due to the cold wind in hot wind and shell side in tower it Between heat transfer process cause cold wind preheating become warm wind, the natural cold wind that the warm wind of generation is extracted out by wind turbine B and sucked with wind turbine C After mixing, first time heating is carried out into first-class heat exchanger, is then re-fed into secondary heat exchanger and carries out second of heating, most Obtained hot wind is heated eventually again by completing drying operation in spray drying tower top entry feeding tower, has been thusly-formed one completely Cycle, can effectively improve heat utilization ratio, reduce the consumption of air heating energy source, often produce the usage amount of 1 ton of product fire coal 3.5 tons are reduced to by 5 tons original of consumption, effectively reduces production cost.
(2)The utility model air efficiency of heating surface is high, under with equal heat transfer boundary condition, the temperature ratio of obtained hot-air The prior art is higher by 3-5 DEG C.
(3)The utility model energy conservation and environmental protection for alleviating energy crisis, improves energy utilization rate and is of great significance.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure:1st, wind turbine A, 2, spray drying tower, 3, shell side, 4, wind turbine B, 5, wind turbine C, 6, first-class heat exchanger, 7, two level Heat exchanger, 8, heat-exchanging component.
Specific embodiment
Illustrate to be described further the utility model below in conjunction with the accompanying drawings.
A kind of spray drying tower hot air heating system as shown in Figure 1, including wind turbine A1, spray drying tower 2, wind turbine B4, Wind turbine C5, first-class heat exchanger 6 and secondary heat exchanger 7, the inlet scoop of wind turbine A1 are communicated with the Nature, and air outlet is with being set to spraying The cold air inlet at 3 top of shell side of drying tower 2 connects, and wind turbine B4 is connected at the air port of 3 bottom of shell side;The inlet scoop of wind turbine C5 Communicated with the Nature, air outlet and be connected to wind turbine B4 air outlets pipeline connect after, the import with first-class heat exchanger 6 is connect, The outlet of the first-class heat exchanger 6 is connected with the import of secondary heat exchanger 7, and the outlet of secondary heat exchanger 7 is with being located at spray drying tower 2 The hot wind inlet connection at top;Being included at least in first-class heat exchanger 6 has three groups of heat-exchanging components 8, is included at least in first-class heat exchanger 7 There are 12 groups of heat-exchanging components 8;Wind turbine A1, wind turbine C5 inlet scoop be equipped with dust-proof purifying device;Dust-proof purifying device is cotton.
The specific work process of the utility model is as follows:During work, the cold wind in nature is sucked and is sent to by wind turbine A1 In the shell side 3 of spray drying tower 2,2 top entry of hot wind self-spray drying tower is sent into tower, spray drying tower 2 is worked Cheng Zhong, since the heat transfer process between the cold wind in hot wind and shell side 3 in tower causes cold wind preheating to become warm wind, the warm wind of generation After being extracted out by wind turbine B4 and being mixed with the wind turbine C5 natural cold wind sucked, first time heating is carried out into first-class heat exchanger 6, so After be re-fed into secondary heat exchanger 7 and carry out second and heat, finally heat 170 DEG C obtained of hot wind again by spray drying tower 2 Top entry, which is sent into tower, completes drying operation.
It should be noted that above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application.Although ginseng This is described in detail with novel according to embodiment, it will be apparent to an ordinarily skilled person in the art that this with novel skill Art scheme is modified or replaced equivalently, and the spirit and scope of new technique scheme are used without departure from this, should all be covered This is in novel right.

Claims (5)

1. a kind of spray drying tower hot air heating system, it is characterised in that:Including wind turbine A(1), spray drying tower(2), wind turbine B (4), wind turbine C(5), first-class heat exchanger(6)And secondary heat exchanger(7), the wind turbine A(1)Inlet scoop communicated with the Nature, go out Air port is with being set to the spray drying tower(2)Shell side(3)The cold air inlet connection at top, the shell side(3)The wind of bottom The wind turbine B is connected at mouthful(4);The wind turbine C(5)Inlet scoop communicated with the Nature, air outlet and be connected to the wind Machine B(4)After the pipeline of air outlet is connected, with the first-class heat exchanger(6)Import connection, the first-class heat exchanger(6)Outlet With the secondary heat exchanger(7)Import connect, the secondary heat exchanger(7)Outlet with positioned at the spray drying tower(2) The hot wind inlet connection at top;The first-class heat exchanger(6), secondary heat exchanger(7)Inside include several heat-exchanging components(8).
2. a kind of spray drying tower hot air heating system according to claim 1, it is characterised in that:The wind turbine A(1)、 Wind turbine C(5)Inlet scoop be equipped with dust-proof purifying device.
3. a kind of spray drying tower hot air heating system according to claim 1, it is characterised in that:The first-class heat exchanger (6)In include at least have heat-exchanging component described in three groups(8).
4. a kind of spray drying tower hot air heating system according to claim 1, it is characterised in that:The first-class heat exchanger (7)In include at least have heat-exchanging component described in 12 groups(8).
5. a kind of spray drying tower hot air heating system according to claim 2, it is characterised in that:The dust-proof purifying dress It is set to cotton.
CN201721607766.1U 2017-11-27 2017-11-27 A kind of spray drying tower hot air heating system Active CN207515481U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721607766.1U CN207515481U (en) 2017-11-27 2017-11-27 A kind of spray drying tower hot air heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721607766.1U CN207515481U (en) 2017-11-27 2017-11-27 A kind of spray drying tower hot air heating system

Publications (1)

Publication Number Publication Date
CN207515481U true CN207515481U (en) 2018-06-19

Family

ID=62541429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721607766.1U Active CN207515481U (en) 2017-11-27 2017-11-27 A kind of spray drying tower hot air heating system

Country Status (1)

Country Link
CN (1) CN207515481U (en)

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